Natural Selection

define:

also known as:

define fitness:

what two factors drive natural selection?

how does variation affect natural selection?

Answers

Answer 1
Natural selection is known as fitness in the perspective that you can not articulate the amount of boron that goes into it
Answer 2

Answer:

mhm

Explanation:


Related Questions

Herbicides and insecticides can be bad for the environment. Insecticides could harm beneficial insects like bees, and both herbicides and insecticides can contaminate nearby rivers and streams.

What are some of the possible environmental benefits of GM crops?





What are some of the possible environmental problems that can be caused by GM crops?




What are some of the potential risks to humans and animals that eat GM crops?

Answers

Answer:absolutely

Explanation:

Not

Choose an organism to use as an example.


Describe the organisms reproductive strategy:



discuss how this strategy is an adaptation for this organism:

Answers

Answer:

I will go with sponges :)

Sponges reproduce asexually. The parent begins budding, when the buds grow to a certain point, they break off and drift with the oceans current to a new place, settle down into the sand or rocks, and start the cycle all over again. Since sponges are stationary organisms (meaning that they cannot travel on their own.) They rely on the oceans current to spread their species across the oceans.

Answer:

I would do a Moon Jellyfish

Explanation:

Moon jellyfish reproduce during two different stages in their life cycle. During the medusa stage, they reproduce sexually by releasing sperm and eggs into the water. The method of reproduction used by jellyfish polyps is known as budding, and it does look like a plant growing a new bud for a flower. The polyp essentially clones itself. The clone buds out of the original polyp and detaches to float freely in the water.

How does the removal of the top predator in the food chain described affect other organisms?


The frog population will increase


The frog population will decrease


There will be no effect on the frog populaiton.


The number of grasshoppers will increase

Answers

the number of grasshoppers will increase

Answer:

The frog population will increase

Explanation:

The frog population will increase because if the top predators in the food chain described affect the frog organisms that will increase

Blood has traveled from the heart to the toes. Which describes the next step
of the circulation process?
A. The blood goes back to the heart to get oxygen.
B. The blood releases oxygen on the way back to the heart.
C. The blood goes through the liver to get oxygen.

D. The blood travels to the lungs to get oxygen.

Answers

The blood travels back up to the heart in a vein, APE.X

Why do you think sundews need to capture insects?
A. The sundew is unable to make enough food.
B. The insects provide water to the plant.
C. The sundew is protecting itself from insects.
D. The insects provide nutrients that are missing from the soil.

Answers

Answer:

d

Explanation:

Some plants eat insects because they don't get enough of nitrogen from the soil and to regulate the amount of nitrogen they eat insects. These plants are called Insectivorus plants.

Answer:I think sundew is a carnivorous plant isn't it?Then it must be its nature to capture insect and eat them.

Explanation:I don't say you must have to mark my ans as brainliest but my friend if it has helped you a lot then don't forget to thank me...

I need help please . Science ~

Answers

Answer:

Archaea Domain

Explanation:

What challenges arise when trying to protect the environment? Select four options.
A)expensive clean energy startup
B)costs threat to the livelihood of many citizens.
C) negative effect on future crop yields
D)expensive to monitor fishing and tourism industries more land available for farming

Answers

Answer:

expensive clean energy startup costs

threat to the livelihood of many citizens

negative effect on future crop yields

expensive to monitor fishing and tourism industries

Explanation:

Answer:

Expensive clean energy startup costs

Threat to the livelihood of many citizens

Negative effect on future crop yields

Expensive to monitor fishing and tourism industries

Explanation:

All of these can affect the PEOPLE  because two include jobs, which is the way people make money, one is the people's homes, were they live, and the other one is negative to companies because they need it to be affordable to continue with it.

Hope this helps comment who said the other answer needs an explanation ;)

what would happen to life if there were no decomposers

Answers

Answer:

The human body will smell and bring mess to the country

Which of the following terms would be an appropriate title for the level of complexity labeled X?
A : Cell
B : Organ
C : Organism
D : Tissue

Answers

The answer is C. Organism.

Answer:

Organism

Explanation:

A leopard frog is the organism, and it is one of the highest levels of complexity. Cell to Tissue to Organ to Organism.

Polycythemia is a disease which causes an excessive number of red blood cells to be produced. The disease is the result of a faulty gene. How would the flow of blood be affected by this condition?

Answers

Answer:

The blood flow would be delayed, since the amount of red blood cells increases the total density of blood volume, which is why the greater the quantity of blood, the thicker the blood will be.

This, as a consequence, could cause thickening of the blood, thus becoming denser, affecting the continuous laminar flow inside the blood vessels, this means that the flow is not unidirectional, but when it is delayed, it produces a kind of micro whirlpools that hinder healing, circulation, oxygenation and stimulate the appearance of deep and superficial clots or thrombosis.

Explanation:

It is important to clarify that the polycythemia which we are talking about is very excessive, very noticeable, unlike the physiological polycythemia that the body does when faced with an increase in height and a decrease in partial pressure of oxygen.

This is important for you to know, because the body when we climb a mountain or climb, or the partial pressures of oxygen decrease in the atmosphere, takes as a compensation mechanism the increase of red blood cells to maintain the oxygenation of the body, but this being PHYSIOLOGICAL is not excessive.

Polycythemia due to genetic failure such as the one we are writing now is a pathology because we are facing an excessive EXCESS of red blood cells, where phenomena of jaundice and hemolysis can also occur due to the great imbalance that is generated in the entire body

Some bacteria make people sick because they produce poisons called
a. toxins
b. antibiotics
c. infections
d. enzymes

Answers

toxins

hihihihihihihihihihihihihi hi

Answer:toxins

Explanation:

Hope this helps!

The human
population growth
curve looks like
a -curve
population.

Please help!!!

Answers

Answer:

C

Explanation:

It shows a j looking black line.

Answer:

i think its b good luck hope u get i right

Explanation:

The rise of industrialization was accomplished by
A. the invention of new raw materials

B. an increased use of fossil fuels

C. a loss of fertile land

D. labor-intensity farming

Answers

Answer: A

Explanation: I feel as if it could be all of them except C

Explain the relationship between the loss of Arctic Ice and the sustainability of
human populations.

Answers

Loss of Arctic ice affects the sustainability of human population negatively. Arctic ice helps cool the planet down as 80% of light that hits it is reflected. Extreme temperatures as well as a list of other affects of climate change hurt the sustainability of human populations.

The loss of Artic ice is negative between human population. It will cause human population who live in coastal areas in the artic circle will have to deal with erosion on the coast lines.

Place the following terms in order from smallest to largest. Which one is the correct order :)

Answers

Answer: c

Explanation: the dna makes up the chromosome, which is in the nucleus of the cell

Answer:

I think its C. I've learned this stuff before :)

Explanation:

Finish answering the box please

Answers

Answer:

the Soviet Union and U.S.A, Gemini VI, commanded by Mercury astronaut Wally Schirra and piloted by Tom Stafford, was supposed to have orbited on October 25, to rendezvous and dock with an Agena target vehicle. But the unpiloted Agena spacecraft blew up during launch that morning, stranding the crew waiting in their vehicle on Launch Complex 19.

In the gradualism model, species change _____ over time. Evidence for intermediate changes in species' characteristics is_____ . In the punctuated equilibrium model, changes can be rapid followed by periods ______of change. Evidence for intermediate changes in species' characteristics is _____

Answers

Answer:

In the gradualism model, species change slowly over time.

Evidence for intermediate changes in species' characteristics is anagenesis.

In the punctuated equilibrium model, changes can be rapid followed by periods of steady change.

Explanation:

Gradualism theory states that the evolutionary processes imply slow, uniform and gradual transformations. This type of evolutionary theory is referred to as anagenesis, where branches are not observed during the evolution of populations. On the other hand, the punctuated equilibrium theorizes that the evolutionary processes are characterized by sudden modifications that are followed by periods without changes. It is likely that both processes may drive evolution of species.

Answer:

gradually, present, little, absent.

Explanation:

I just did it on Savvas/Pearson and it was 100% correct.

the diagram shows three steps in the clotting process.
Which lists the clotting process in the proper order?
o А, С, В
ОВ, А, С
o С, А, В
е В, С, А​

Answers

Answer:

В, С, А​

Explanation:

The process of clotting is known as the hemostasis which takes place in three steps: the vascular spasm, the formation of a plug of platelets and the coagulation.

In the given question, step B shows the process of vascular spasm in which the vascular blood vessels becomes constricted due to injury. After this, the platelets present in the blood starts accumulating at the site of injury. These platelets stick together and form a plug-like structure at the site of injury.

Later, step A takes place that is fibrin protein present in the blood starts forming a mesh-like structure which does not allow the bleeding and this process is known as coagulation.

Thus, the selected option is the correct answer.

True or False: When carbon dioxide is released into the atmosphere from
burning fossil fuels, it makes the Earth colder.

Answers

Answer:

False.

Explanation:

Carbon Dioxide is considered a greenhouse gas. This means that when released into the atmosphere, it forms a "blanket" of gas that traps heat. This phenomenon causes a rise in temperature.

The answer is definitely FALSE

Describe how C. parvum obtains the glucose it needs for glycolysis after it has infected another cell. Explain the role of lactate dehydrogenase in enabling C. parvum to continue producing ATP by glycolysis.

Answers

Answer:

Cryptosporidium parvum is an apicomplexan pathogen that obtains glucose either directly from its host or by the degradation of polysaccharides.

Explanation:

C. parvum only can produce ATP by glycolysis. Lactate dehydrogenase (LDH) is a universal enzyme required to synthesize pyruvate, which is the final product of the glycolysis process. This enzyme has been subject of research to understand the metabolism and evolution of apicomplexan parasites, including C. parvum.

Cryptosporidium parvum is a pathogenic agent that causes the disease cryptosporidiosis. The pathogen obtains glucose directly from the host. It can also obtain by the breakdown of polysaccharides.

C. parvum produces ATP through glycolysis. The enzyme lactate dehydrogenase is used by the C. parvum to generate metabolic ATP. It generates this ATP through the glycolytic pathway. The enzyme allows the conversion of NADH to NAD+. NAD+ is necessary for glycolysis to produce ATP. Metabolic energy plays a crucial role in the growth and proliferation of the pathogen in the host.

Some of the features of C. parvum are:

It consists of a unique lactate dehydrogenase enzyme to yield ATP. It causes the disease in the gastrointestinal tracts. The pathogen is used for research and understand its ability to obtain ATP directly from the host.

Therefore, C. parvum consists of enzyme lactate dehydrogenase that helps in energy production through the glycolytic pathway.

To know more about C. parvum, refer to the following link:

https://brainly.com/question/16360264

Which of the following types of mutations does not belong with the others?

Answers

Answer:

options please

Explanation:

Theres nothing to pick from

why the relative numbers of mitochondria found in a muscle cell would be larger than the relative number found in a fat cell.

Answers

Answer:

The ATP is produced in the mitochondria using energy stored in food. ... Some cells have more mitochondria than others. Your fat cells have many mitochondria because they store a lot of energy. Muscle cells have many mitochondria, which allows them to respond quickly to the need for doing work.

Explanation:

Giving Brainliest to first correct and logical answer.

Explain why Calix having X chromosomes from his mother AND father meant chromosomal rearrangement was not the cause.

Answers

Answer:

Chromosomal rearrangment was not the cause because it wouldn't lead the mass of DNA per cell in Calix to appreciate by 40fg. It also wouldn't explain how he ended up with an additional sex chromosome altogether.

Explanation:

Chromosomal rearrangement occurs when one chromosome receives additional DNA while a different chromosome is missing DNA.

which is “older” the chocolate chips or the cookie dough? (Remember: older means formed first)
I need help with that question I been struggling with it and having a hard time pls help me out and is due today

Answers

Answer:

The cookie dough.

Explanation:

The dough has to be made before you can put the chocolate chips in it.

Answer:

chocolate chip

Explanation:

A person exhibiting a recessive characteristic must be heterozygous for that gene. True or False

Answers

Answer:true

Explanation: cause heterozygous means that 2 or more of offspring genes are recessive

Early during development, organisms as diverse as a human, a mouse, and a bat can appear indistinguishable. All of their embryos look nearly identical,

suggesting that

this is a coincidental resemblance between them

during development, humans go through stages of being a mouse and a bat

these very different species have a shared ancestry with all mammals

similar structures have developed because of convergent evolution

20 21 22 23 24 25 26

27 28 29

Next

Answers

I believe the third answer is correct

A father has blond hair. A mother has black hair. Their three offspring have brown hair, blond hair, and red hair, respectively. Which pattern of inheritance could account for human hair color? Explain your answer.

Answers

Answer:

polygenic inheritance

Explanation:

The pattern of inheritance that could account for human hair color according to the illustration is polygenic inheritance.

In polygenic inheritance, multiple alleles (the alternate versions of the same genes) controls the trait for hair color. Individuals that inherit different combinations of alleles from the same parents will have different hair colors.

In this case, there are alleles that determines blond hairs, black hairs, brown hairs, and red hairs. All these alleles are alternate versions of the same gene. The father could be carrying blond/brown alleles and the mother is carrying black/red alleles or vice versa, their offspring will exhibit different hair color depending on which allele is dominant or recessive.

Homeostasis can require the control of many different variables in organisms. Homeostasis regarding internal body temperature is very important for many organisms. How is this different among ectotherms and endotherms?

Answers

Answer:

The term homeostasis refers to balance, where an organism seeks to maintain the balance of the temperature of its organism in order to persist in life.

There are organisms that are considered ectotherms, with which they release heat to the external environment in order to balance said increase in temperature and not denature their own proteins (such as enzymes, structural proteins, receptors, second messengers, etc.). On the other hand, in the case of endotherms, take energy from the medium to increase your body temperature and maintain it, since otherwise you could enter hypothermia.

In the human organism these principles occur both, not simultaneously, but according to the external temperature in which the human is, ectothermic / catabolic processes in heat stages and endothermic or anabolic processes in the cold stage.

Explanation:

In simple words, endotherm is the heat taken from the medium and exotherm or ectotherm is the release of heat to the medium.

This is so simple in objects, but in living organisms these processes have a reason, and that is why we explained above, when looking for a constant temperature these processes are responsible for mediating balance.

Which situation is an example of nonnative species introduction?

A huge volcanic eruption in Washington destroyed many habitats.
A large oil spill in the Gulf of Mexico killed many organisms that lived there.
Horseshoe crabs in the waters of Virginia have been overfished, and their numbers have declined.
Water hyacinths from Asia now grow in the United States and are crowding out animals and other plants.

Answers

Answer:

D.

Explanation:

Nonnative species is defined as the introduction of an alien species, foreign species or exotic species to a new region and affect the native species.

The exampe of nonnative species is introduction of water hyacinths from Asia in the United States which is affecting the native species and making the ecosystem crowdy.

Introduction of non-native species can disturb the balance of an already-established ecosystem by the native species including plants and animals.

Hence, the correct option is D.

Answer:

D

Explanation:

What are some types of biotechnology??

Answers

Types of Biotechnology
Medical Biotechnology. Medical biotechnology is the use of living cells and other cell materials for the purpose of bettering the health of humans. ...
Agricultural Biotechnology. ...
Nutrient Supplementation. ...
Abiotic Stress Resistance. ...
Industrial Biotechnology. ...
Strength Fibres. ...
Biofuels. ...
Healthcare.

Answer and Explanation:

There are a few different types of biotechnology.

One is medical biotech. Essentially, this branch is used to help improve the wellbeings and helaths of people. It involves a lot of DNA in helping to find cures for various diseases. Some examples of advancements in this field are vaccines and antibiotics.

Another is agricultural biotech. In the agriculture industry, farmers are continuously searching for ways to increase crop yield and quality, which delves into the topic of genetic modification and engineering. For example, scientists are breeding certain plants or adding certain genes to make offspring that is hardier and more pest-resistant.

Those are two main types of biotechnology.

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