Imagine an invertebrate that lives in an estuary where salinity varies cyclically with the tides. If this individual is able to adjust the salt concentration of its body fluids, its salt concentration will have:____. a. a cyclic variation depending upon when the animal drinks. b. regular variations that range from large to small. c. slight fluctuations that are kept within a narrow range. d. a cyclic variation opposite that of the surrounding water.

Answers

Answer 1

Answer: Option C.

slight fluctuations that are kept within a narrow range.

Explanation:

An invertebrate that lives in an estuary where salinity varies cyclically with the tides. If this individual is able to adjust the salt concentration of its body fluids, its salt concentration will have slight fluctuations that are kept within a narrow range so has to maintain homeostasis and prevent the cells of the the invertebrate from not shrinking which can be due to the salt solution (Hypertonic).

Estuary is an area of water or shorelines where river meet the ocean. It normal do have concentration of salts. Organisms that live in estuaries must be able to adapt to their dynamic environments, wich is due to variations in water chemistry includes salinity, as well as physical changes like the rise and fall of tides.


Related Questions

The primary function of the lymphatic system is The primary function of the lymphatic system is the production and distribution of plasma proteins. the transport of hormones. the production and maturation of leukocytes. circulation of nutrients and dissolved gases. defending the body against both external and internal threats.

Answers

Answer:

The primary function of the lymphatic system is defending the body against both external and internal threats.

Explanation:

The set of tissues and organs that participate in the immune response is known as the lymphatic system. Its main functions are to maintain the volume of blood and participate in the defense of the organism. It is made up of organs, vessels, nodes and lymphatic tissue. This system fulfills three basic functions: Defense: in the lymph nodes, the lymphocytes reproduce to respond to antigens; fat absorption: most of the fats are absorbed by the lymphatic system and subsequently transported to the blood and capillary exchange: it recovers substances that the blood flow has lost in the capillary exchange.

The principal function of the lymphatic system is to remove strange or damaging substances from tissues and eliminate them. The correct option is defending the body against both external and internal threats.

------------------------------

Among other functions of the lymphatic system, its principal one is the removal of damaged cells, cancer cells, and protection of the body against the virus, bacteria, and fungi that might affect it.

The lymphatic system remove these elements from the tissues for their elimination.

All these strange microorganisms and waste substances get filtrated in the lymphatic ganglia.

Ganglia are small organs located all along with the net of lymphatic vessels, that function as lymph accumulation centers.

Lymph passes through these organs and gets filtrated and purified of waste substances.

Inside each ganglion, the lymphocytes T and lymphocytes B help the organism to fight these infections.

B cells produce antibodies that impede infection propagation by trapping the microorganisms and destroying them.

Most lymphatic ganglia are grouped near the neck, underarm, and groin.

They are also grouped in the chest, abdomen, and pelvis, where they filter blood.

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In ______ immunity the individual produces antibodies against particular pathogens while in ______ immunity the individual is given specific antibodies against a pathogen. Group of answer choices

Answers

Answer:

The correct answer is - active and passive.

Explanation:

Immunity is the capability of multicellular organism to protect itself from harmful molecules that are foreign to the body such as microorganism and antigens. Immunity can be active immunity or the passive immunity.

Active immunity takes place when one's own body produces antibodies to fight against a particular disease or antigen by immune system where as passive immunity occurs when an individual receives antibodies from outside and produced outside.

Thus, the correct answer is - active and passive.

Which of the following contributes to the movement of tectonic plates?

I. Push of newly formed crust
II. Pull of subducting plate
III. Weathering of continental
crust

A. I only

B. III only

C. I and II

D. II and III

Answers

Answer:

option D is correct

Explanation:

Take the subducting plate out, Tectonic plate movement is aided by the weathering of continental crust.

The correct answer is D

Explain what a tectonic plate is.?

Tectonic plates are huge pieces of the Earth's crust and upper mantle. Oceanic and continental crust both make up their structure. Earthquakes take place at mid-ocean ridges in addition to the main faults that define the borders of the plates.

Why do tectonic plates form?

Convection currents are created by the intense heat and pressure that exists within the earth. The tectonic plates that make it up the earth's crust shift as a result of these currents.

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A country's ecological footprint can be calculated by multiplying its population size by the footprint of each individual. Why are some ecologists concerned about the ecological footprint of a country like India

Answers

Answer:

Ecological footprint estimates the requirements of renewable resources that a population consumes to live a particular lifestyle. Some ecologists are concerned because the result of the ecological footprint shows that the  demand of the population is increasing in comparison to the supply of nature.

For example in India, the ecological footprint shows negative impact of population demand over supply of nature.

Because he was well aware of the effect his theory of evolution would have on the public and on the Church of England, Darwin delayed publishing his work for several decades while he gathered additional evidence. After invoking selective breeding of domesticated species as evidence that groups of organisms are capable of change, he then proposed that natural populations can change as well. On which two lines of evidence did he base this proposal? a) Individuals within a population vary, yet island species around the world all appear to be related to each other.b) Organisms produce more offspring than can be supported by their environment, and adaptations to specific environments increase an organism's ability to survive and reproduce.c) Organisms within a population vary, and all populations produce more offspring than can be supported by the environment, resulting in competition for survival within the population.d) Some individuals leave more descendants than other individuals, but the individuals in a population are essentially identical to each other.e) Some individuals within a population have greater success in survival and reproduction than others, and favorable traits within a population will accumulate over generations.

Answers

Answer:

c) Organisms within a population vary, and all populations produce more offspring than can be supported by the environment, resulting in competition for survival within the population.

Explanation:

Darwin's theory was based on the evidence of natural selection and survival of the fittest.

Evidence of Darwin's theory were observed from the variation in the population which is supported by the environmental factor (natural selection) and these population than produce offspring, resulting in competition for survival within the population (survival for fittest).

Hence, the correct option is "c".

What is the fitness of an organism?
O A. The environment the organism lives in
O B. The ability to survive and reproduce
O C. The total population of a species
O D. The number of resources an organism uses

Answers

Answer:

B the ability to survive and reproduce.

please please help!!

Answers

Answer:

Carrying capacity was reached due to the abundance of prey

Which kind of cells do plants and animals have?

Answers

Answer:

Animals and plants are made of cells. Tissues are made from cells of a similar type. Organs are made from tissues, and systems are made from several organs working together.

Explanation:

Answer:

Eukaryotic

Explanation:

They have membrane-bound organelles such as the nucleus and mitochondria.

A person is dehydration and they start to bleed from their nose. But they're bleeding from only one nostril. Why?

Answers

Dryness of the nasal mucosa.
A dry nasal mucosa causes itching and people often scratch inside the nose due to this. It damages the delicate inner lining over the nostrils. Even if one does not scratch, the capillaries present there can rupture and bleed spontaneously due to excess dryness. This happens because the nasal mucosa is very thin and fragile. In conclusion, bleeding from one nostril is caused by too much Dry air — when your nasal membranes dry out, they're more susceptible to bleeding and infections.

The lining of your nose contains many tiny blood vessels that lie close to the surface and are easily damaged.

The two most common causes of nosebleeds are:

Dry air — when your nasal membranes dry out, they're more susceptible to bleeding and infections

Nose picking

Why does the DNA that makes up the chromosomes need to replicate before the start of meiosis?

Answers

Explanation:

DNA replication needs to occur because existing cells divide to produce new cells. ... So the DNA needs to be copied before cell division so that each new cell receives a full set of instructions!

It ensures that each daughter cell has the correct number of chromosomes.
DNA replication needs to occur because existing cells divide to produce new cells.

What has a greater influence on protein levels?

Answers

Answer:

B : mRNA destroyer concentration has a greater influence because it is destroying mRNA before proteins can even be produced.

Explanation:

why is the linner wall of alimantary canal not digisteg although the digestive enzymes can digest all the materials that make cell?

Answers

Answer:

There are no options to this question but it can be answered by giving a general explanation. The answer is:

Because the digestive enzymes are not in direct contact with the cells that make up the walls of the alimentary canal. The walls are protected by mucuous lining.

Explanation:

Digestion of our ingested food is an important process for the effective functioning of our body system. Digestion is the process whereby food, which are usually macromolecules, are broken down into simpler molecules usable by the body. After food is taken in from the mouth (ingestion), it must be broken down by chemical and mechanical means.

The chemicals means is through digestive enzymes, which are proteinous chemical substances. The digestive system consists of the alimentary canal or digestive tract, which is a tube-like organ that forms the path for food passage. Since digestive enzymes secreted during digestion can disintegrate every macro biomolecule e.g protein, carbohydrate etc, it can also break down the molecules that make up the cells of the tract wall.

However, the digestive enzymes does not break down the cells of the canal's wall because the body system secretes mucus, which lubricates the passage of food along the canal. It also prevents the digestive enzymes from coming in contact and acting on the macromolecules that make up the cells of the walls of the alimentary canal.

Please help me, I don't understand this

Answers

Answer:

4, based on the assumption that the R allele is dominant over the r allele, and that the T allele is dominant over the t allele.

Explanation:

Any bush with a dominant petal color allele (R) will have red petals. This includes Rr and RR.

Any bush with a dominant bush size allele (T) will have a tall bush. This includes Tt and TT.

The only way to acquire a short bush or pink petals is to have two recessive alleles together (tt, rr).

RRTT, RrTT, RRTt, and RrTt -> red petals with tall bushes

RRtt, Rrtt -> Red petals with short bushes

rrTt, rrTT -> pink petals and tall bushes

rrtt-> pink petals with short bushes.

These are the four phenotype variations possible in this dihybrid cross.

what part of the universe do we live in??

Answers

We live in part of the Milky Way galaxy which is part of the universe. There are countless other galaxies out there besides the Milky Way

Which type of model is represented in the following image?

a

Computer simulation

b

Graph

с

Map

d

Small-scale object​

Answers

Answer:

d

Explanation:

Its a map but showing the northern, southern, Eastern, and Western province of the earth.

Which characteristic does a virus have in common with a eukaryotic cell?

Answers

Viruses are not cells; they are a strand of genetic material within a protective protein coat called a capsid. They infect a wide variety of organisms, including both eukaryotes and prokaryotes. Once inside the cell, they use the cell's ATP, ribosomes, enzymes, and other cellular parts to replicate.

The characteristics that a virus cell possess with eukaryotic cell is that they both possess a genetic material.

What is an eukaryotic cell?

An eukaryotic cell is a cell that has a genetic material bound by membrane-bound nucleus.

A virus cell, on the other hand, is a cell that is incapable of replicating itself without a living host.

However, one similarity between the eukaryotic cell and viral cell is that they both possess a genetic material that stores their genetic information.

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The plasma membranes of the __________ bear enzymes referred to as brush border enzymes, which complete the digestion of carbohydrates and proteins in the small intestine."

Answers

Answer:

Microvilli

Explanation:

The microvilli are microscopic in nature, they form projections on cell membranes which helps to increase the surface area of the membrane, which further enables diffusion. Microvilli are mostly found in the small intestine and they work together with villi to increase the absorption of nutrients in the small intestine.

In addition, they also involved in the secretion of enzymes called brush border enzymes that aids the easy and complete digestion of carbohydrates and Protein. One of such enzymes are the glycosidases which digest carbohydrates.

1.What are the scope of environment education? Explain any 3 of them. 2.What are the scope of health education? Explain any 3 of them

Answers

Answer:

[tex] \boxed{\bold{ \orange{See \: below}}}[/tex]

Explanation:

[tex] \bold{ \green {Scope \: of \: Environment \: education}}[/tex]

Environmental education includes the study of various factors of the environment which affect the health of human beings. Environment comprises all the factors in our surroundings. It includes even abstract factors , which do not have weight , length and breadth. Cultural traits , social norms and values, feasts and festivals etc. are some of the examples of abstract aspects. Some of the scopes of environment education are described below:

Physical aspect ( soil , water , air , rocks , gases etc )

The physical aspect included non- living things on the earth. They are soil, water , air , rocks , gases etc. Environment education gives knowledge about the status of soil , water , air , rocks , gases and other various physical components of the earth. It aims to make students aware of the effects and consequences of human activities upon these factors. It also gives knowledge to raise environment friendly attitude and behavior among the students .

Biological aspect ( biology , agriculture , forestry etc )

The biotics factors include living plants and animals , their life mechanism , interrelationship etc. Some of the educational streams related to the biotic aspects are biology , agriculture , and forestry. They are some of the important scopes of the environment education. This branch of education helps to develop the level of knowledge , attitude and behavior regarding these factors in the students.

Socio - cultural aspect ( sociology , civics , religion , ethnicity , anthropology etc )

Environment has some of the abstract aspects too. Abstract aspects include religious , cultural , ethnic and social norms and values. Some of the educational streams dealing with this aspect are sociology , civics and anthropology. Environment education also teaches students about such abstract factors, which play vital role in the environment.

[tex] \bold{ \green{Scope \: of \: Health \: education}}[/tex]

In general , scope of health education can be understood as the areas included in health education. Health education not only communicates knowledge about body features and diseases, but also includes the matters concerned with healthy surroundings , human psychological states affecting health , public health, human anthropology , medical science and so many other things. Any three scopes of health education are as follows:

Home

Home is the residence of all people. Home is the first school for all. A child passes the primary days of life at home. Every individual learns the basic skills if survival at home. Proper time to wake up in the morning , to start daily sanitary schedules, to eat , to practise all other health behavior are learnt at home. The child lives in community and learns many more about healthy social adjustment in the social environment. Health education aims to raise the level of knowledge , attitude , and behavior related to health and healthy life.

School

Children go to school for formal education and spend most of active hours of a day. They achieve several forms of health knowledge and develop healthy attitude and practise accordingly. Their heath status depends upon the environment of school , health curriculum, healthful school environment , co-curricular and extra - curricular health activities.

Community

Community is a place where many people live with their families. People's health is determined by the several factors in the community. Health education teaches about these factors like community sanitation , drainage , health service providing organizations and health centers.

[tex] \mathsf{Hope \: I \: helped !}[/tex]

[tex] \mathsf{Best \: regards !}[/tex]

Help I don’t understand

Answers

Answer:

i don't understand sorry

Answer:

I think your supposed to write what happens in each box for the outcome of each situation like what happens in the filtration in Miguels blood test.

Explanation:

Write TRUE or FALSE
(a)
A 'system' is the part of an organism that carries out a certain function.​

Answers

Answer:

TRUE

Explanation:

Why are the testes located in the scrotum rather than inside the ventral body cavity? _______________________________

Answers

Answer:

the scrotum provides a slightly cooler temperature for optimal sperm production

Explanation:

The opposable thumb is a trait that connects us to other primates; allowing us to grab and use tools and increasing chances for survival. This means it is a(n) __________.

Answers

Answer:

The options to this question are;

A. genotype

B. adaptation

C. selective pressure

D. stabilizing pressure

The answer is B) Adaptation

Explanation:

Adaptation is the process whereby an organism becomes well suited to survive in its natural environment, which is aided by the possession of certain traits called adaptive features. For example, the fins of a fish makes it fit to survive in an aquatic environment, likewise the opposable thumbs of humans make us well suited to survive in our environment.

As stated in the question, the opposable thumb i.e. movement of the thumb independently of the other four fingers, is a characteristics of primates. This unique feature (opposable thumb) allows us to grab things, get a good grasp of tools, use tools effectively, write things, etc. All these ability due to the possession of opposable thumb increases our chances of survival. Hence, the possession of opposable thumb is regarded as an ADAPTATION

Match each scientist to the observation she is most likely to make.
meteorologist
?
The average daily
temperature of the ocean
at the North Pole has
Increased during the past
50 years.
hydrologist
2
Last year, the state of
Florida experienced an
unusually long and active
hurricane season.
geologist
?
The elevation of a
mountain range has
increased 1cm over the
last 50 years.
Earth's rotation was
affected by a massive
underwater earthauake
astronomer
2.​

Answers

The scientist and the observation to be made are matched below:

The meteorologist - Last year, the state of Florida experienced an unusually long and active hurricane season.

The hydrologist- The average daily temperature of the ocean at the North Pole has Increased during the past 50 years.

The geologist- The elevation of a mountain range has increased 1cm over the last 50 years.

The astronomer- Earth's rotation was affected by a massive underwater earthquake.

Astronomers are known to observe planet.

The Meteorologist are known for rainfall observation.

Hydrologist- often observe rivers, water bodies e.g. Mississippi River

Geologist - deals with rocks e.g Mountains observation.

Climate change often cause a shifts in temperatures and weather patterns.

The climate change is largely due to human activity, such as burning fossil fuels, like natural gas, oil, and coal etc.

Conclusively, various types of profession exist in the environmental discipline and each has specific roles to play.

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When you examine fluid that you have drawn from a blood vessel in someone's arm, you find that it is relatively high in carbon dioxide and waste products. Assuming that the fluid comes from a healthy individual, you conclude that the blood vessel from which you have drawn blood could have been ______.

Answers

Answer:

The given blank can be filled with a venule.

Explanation:

A small blood vessel in the microcirculation, which connects the capillary beds to the veins is known as the venules. Various venules combine to form a vein. The walls of a venule are formed of three layers, that is, the inner endothelium formed of squamous endothelial cells, a middle layer of elastic and muscle tissue, and an external layer formed of fibrous connective tissue.  

The size of a venule ranges from 8 to 100 micrometers in diameter and are produced when capillaries come in close association. A venule refers to a small blood vessel that permits the deoxygenated blood high in carbon dioxide and waste products to return from capillary beds to the bigger blood vessels known as veins.  

About thirteen different species of finches inhabit the Galápagos Islands today, all descendants of a common ancestor from the South American mainland that arrived a few million years ago. Genetically, there are four distinct lineages, but the thirteen species are currently classified among three genera. The first lineage to diverge from the ancestral lineage was the warbler finch (genus Certhidea). Next to diverge was the vegetarian finch (genus Camarhynchus), followed by five tree finch species (also in genus Camarhynchus) and six ground finch species (genus Geospiza). If the six ground finch species have evolved most recently, then which of these is the most logical prediction?

Answers

Answer: Firstly it should be noted that, the chances of hybridization between two ground finch species should be less than the chances of hybridization between two tree finch species. On this wise, their genomes would be more similar to each other than are the genomes of the five tree finch species. Secondly, they should be limited to the six islands that most recently emerged from the sea.

Thirdly, they should share fewer anatomical homologies with each other than they have shared with the tree finches.

Fourtly, their genomes should be more similar to each other than are the genomes of the five tree finch species.

Your forest has three domains: certguide and its two children domains west.certguide and east.certguide. The west domain runs at domain functional level 2012 R2. The east domain runs at domain functional level 2008. You have been tasked with bringing the entire forest to forest functional level 2016. How would you approach raising the east.certguide domain

Answers

Answer: It's worth noting that, the recommended upgrade path is to demote existing servers and promote new servers whenever you can. If that is not possible in your environment, you can run in-place upgrades from Server 2012 R2 to Server 2016.

7. Health Medicine, alcohol, and
many drugs are detoxified in
liver cells. Why do you think
the liver cells of some people
who abuse alcohol and drugs
have an increased amount of
smooth ER?

Answers

This adaptation is due to increased volume (hypertrophy) of the smooth ER of hepatocytes, which metabolizes the drug. ... With prolonged use, the barbiturates (and many other agents) stimulate the synthesis of more enzymes, as well as more smooth ER.J

Plants are autotrophs because they can prepare their own food. Photosynthesis takes place in leaves. Leaves contain that allow for the exchange of gases during the process, and also help with the process of

Answers

Leaves contain stomata that allow for the exchange of gases during the process, and also help with the process of transpiration.

What is photosynthesis?

Photosynthesis is the process by which green plants manufacture their own food in the presence of sunlight.

Factors that affects photosynthesis are:

Presence of sunlightStomata, which controls the rate of gas exchange in plant

Thus, leaves contain stomata that allow for the exchange of gases during the process, and also help with the process of transpiration.

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Answer:

Stomata and Transpiration on edmentum

Explanation:

y is the enzyme that catalyses the hydrolysis of sucrose into glucose and fructose. What is enzyme y?​

Answers

Answer:

y enzyme is Invertase

Explanation:

Invertase is the enzyme that catalyses the hydrolysis of sucrose into glucose and fructose.

A skin cell of a red fox has 34 chromosomes. You look at the cell under a microscope and see that it has 34 chromosomes and one nucleus. Several hours later, you look at the same cell a second time and see that it has double the amount of DNA and one nucleus. A little while later, you see the cell for a third time and notice that it has 68 chromosomes and two nuclei. What stage of the cell cycle was this cell in when you viewed it at each time point

Answers

Answer:

See the answer below

Explanation:

At the first look, the cell was in G1 phase of the cell cycle. At the second look, the cell was in the G2 phase of the cell cycle, and at the third look, the cell was in Telophase.

At the G1 phase of the cell cycle, the cell mainly experiences growth and development. Nothing much happens except that the cell increases in volume.

At the G2 phase of the cell cycle, synthesis of DNA has taken place during the S phase and the amount of DNA present in a cell is doubled at this stage.

At the telophase stage of the cell division in the cell cycle, chromosomes have completed their migration to the poles and each pole appears like a nucleus with their individual chromosomes under the microscope. The cytoplasm is yet to divide at this stage, hence, everything still appears as a single cell.

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IT IS FOR NOW IM GIVING BRAINLIEST HRRY UP AND 10 POINTS Simplify the expression. What classification describes the resulting polynomial? (8x2 + 3x) (12x2 1) A. linear binomial B. quadratic binomial C. quadratic trinomial D. linear monomial If interest rates rise, which of the following U.S. Government debt instruments would show the greatest percentage drop in value?a. treasury bills.b. treasury notes.c. treasury bonds.d. savings bonds. Why are so many of the same genes found in almost all living organisms How much work is needed to pump all the water out of a cylindrical tank with a height of 10 m and a radius of 5 m Suppose the radius of a circle is 5 units. What is its circumference? What is the ph of 0.36M HNO3 ? Simplify to create an equivalent expression.-k-(-8k+7)a=7k7b=-7k-7c=7k+7d=-7k+7choose one PLEASE HELP!!! Which expression shows a way to find the area of the following rectangle? FIRST TO ANSWER **CORRECTLY** GETS BRAINLIEST! What does this line suggest about Ginny's relationship with her owner? Ginny did a lot of barking at her owner. Ginny had a strong desire to find things for her owner to rescue. Ginny relied on her owner to help cats in need. Ginny wanted to save her owner, too, by keeping him busy. Scientists monitor the effects of a deadly parasite in a host. What trends will they most likely see? A. As the parasite population increases, the host population decreases. B. As the parasite population increases, the host population increases. C. The host population decreases only if the parasite population decreases. D. The host population will remain the same regardless of whether the parasite population increases or decreases. A man lends 12,500 at 12% for the firstyear, at 15% for the second year and at 18%for the third year. If the rates of interest arecompounded yearly; find the differencebetween the C.I. of the first year and thecompound interest for the third year. Fill in the blanks in the following sentences with the appropriate indirect object pronouns. 1.A mi hermano _____ fascinan los coches deportivos. 2. A Juana y a m ______ gustan las pelculas de terror. 3. A mis primos _____ encantan los dibujos animados. 5. A m ________ encanta cocinar. please help with this When did the Presidential Committee of Information Literacy publish a report? In the early 1980's 1989 1974 After computers became common You buy a stock for $55 today, and sell the stock one year later for $54, during which time a $2 dividend is paid. What is your return on this stock 10 points please help El abuelo ____________ a la playa durante los veranos. a. iba b. iban c. ibas Please select the best answer from the choices provided A B C Which of the following types of electromagnetic radiation have higher frequencies than visible light and which have shorter frequencies than visible light? Sort them accordingly. ltems (6 items) (Drag and drop into the appropriate area below) a. Gamma rays b. Infrared radiation c. Ultraviolet liht d. X-rays e. Microwaves f. Radio waves Can somebody please solve this problem for me! This rectangle has side lengths r and s.For each expression, say whether it gives the perimeter of the rectangle, the area of therectangle, or neither.1. rts2. r.s3. 2r + 2s4.72 +82