“Fish and other wildlife become unhealthy and die without __________.”

Oxygen
Carbon Dioxide
Eutrophication

(This is 7th grade science)

Answers

Answer 1

Answer:

Oxygen

Explanation:

Answer 2
Andwer is oxygen if not then eutrophication

Related Questions

1)what organs make up the organ system , the circulatory system.


2)Bone tissue are shown on the left. what is the difference between tissue and specialized cells.

Answers

Answer:

1. Circulatory system is made up of your heart, arteries, veins and capillaries.

2. There isn't a photo attached. But Specialized cells perform specialized functions in multicellular organisms. Groups of specialized cells cooperate to form a tissue, such as a muscle. Different tissues are in turn grouped together to form larger functional units, called organs.

Explanation:

Select the correct answer
Linda owns a great deal of land. She decides to rent her land to Andrea. However, she places certain restrictions on Andrea regarding the land use. Linda is using
which rights?
ОА. .
use rights
OB.
alienation rights
OC. management rights
OD. ownership rights

Help need answer ASAP !!

Answers

Management rights.

_______________________

What are some examples of nutrients that
circulate in blood? Check all that apply.
red blood cells
glucose (a simple sugar)
amino acids

fats

white blood cells

Answers

the answer would be all of them but fats so the top person is correct:)))

How many chromosomes would you expect to be in the daughter cells of the mosquito after mitosis? When starting with 6

Answers

Answer:

i think it would be 12 since during mitosis it creates identical daughter cells which doubles up cells.

Explanation:

Answer:

12

Explanation:

How can agriculture cause soil pollution?

Answers

Agriculture pollution

Explanation:

Agriculture is a main source of pollution in lake water. chemical and fertilzer

Answer:

Pesticides and fertilizers used on crops fed to animals are a major contributor to land pollution

Explanation:

hope this helps :)

How could one determine if two
unidentified organisms share a common
ancestor?

Answers

Answer:

Evolutionists determine that two organisms have a common ancestor is by looking at fossil evidence in different rock layers using the law of Superposition (Oldest layers are on the bottom, newest are on the top) and compare the skulls or other bones to each other in order of oldest to newest (or newest to oldest). Another way to determine this is to examine the amount of DNA a certain species shares with another species. An example of this would be that Humans share roughly 90% of our DNA with chimpanzees or the other Great Apes.

Explanation:

DNA

They can look at the DNA it's the most common one.

There are 4 pieces of evolution and they are

Fossils , Geography , Embryos / DNA , Anatomy

Fossils: Physical remains of species , Determine age, location,  environment

Deeper layers = older

Geography: Proves species share common  ancestors, depending on where

they live

DNA: BEST evidence because it’s the  MOST ACCURATE

Similarities in the early stages of  development

Similarities in DNA

More similarities = closely related

More differences = not related

Anatomy: Compare body parts of different  species to see how they evolved

3 different structures:

Homologous (same structure,  different function)

Analogous (similar structure,  different organisms)

Vestigial (body parts that no  longer serve a purpose)

All of that are in evolution

Hope it helped! ( Gave u my biology notes :D)

What type of mutation is shown in the example below?
Original DNA: ATCGTCGTCGT
Mutated DNA: ATCGTCGTGT

Answers

It is a deletion mutation

What portions of RNA are cut out and discarded during the process of RNA editing

Answers

Answer:

 introns are portions of RNA that are cut out and discarded.

Explanation:

What do you call protozoa that you can see with the naked eye?

Answers

Answer:

Paramecium protozoa

Explanation:

because of their size (50-300 μ long) and the human eye can see things as small as about 100 µm and P.

If water was removed from a plant's environment what would happen to the plant's glucose production?​

Answers

Answer:

It would cease

Explanation:

If water is removed from a plant's environment, the plant's glucose product will cease. This implies that the plant will stop producing glucose.

Water is an essential ingredient for the production of glucose by plants. During the process of photosynthesis, green plants manufactures their food in the presence of sunlight. The water combines with carbon dioxide to produce glucose oxygen gas using sunlight energy. Without water, this reaction will not be possible to take place. Therefore, the production of glucose stops when there is no water.

What parts of the body make up the central nervous system

Answers

Answer:

brain and spinal cord

Explanation:

that's it

Molecules of DNA are composed of long chains of?

Answers

two long polynucleotide chains

A DNA molecule consists of two long polynucleotide chains composed of four types of nucleotide subunits. Each of these chains is known as a DNA chain, or a DNA strand. Hydrogen bonds between the base portions of the nucleotides hold the two chains together

Molecules of DNA are composed of long chains of nucleotides.

What are nucleotides?

Nucleotides are the building blocks of DNA  and RNA adenine (A), thymine (T), guanosine (G), and Cytosine (C. In RNA, uracil (U) is present instead of thymine.

The pentose sugar is the ribose sugar in RNA and deoxyribose sugar in DNA. In deoxyribose sugar, oxygen is absent from the 3' carbon.

Phosphate groups are attached through the 5-C of pentose sugar by an ester bond. One polynucleotide chain is formed when the phosphate of one nucleotide forms a phosphodiester bond with the sugar of another nucleotide.

A double-stranded structure is formed by base pairing between nucleotides. The adenine binds to thymine by two hydrogen bonds and guanine binds to cytosine by three hydrogen bonds.

Therefore the molecules of DNA are composed of long chains of nucleotides.

Read more about nucleotides, here

https://brainly.com/question/13185536

#SPJ6

............................Please help ASAP ........................

Answers

Answer:

I think answer choice D

Explanation:

The passage summarized says that ostriches and rheas look exactly the same but are different sizes, therefore answer choice D is auto eliminated

What are the advantages and disadvantages to produce few offspring that are extensively cared for and protected?

Answers

Advantages: Since they’re well cared for, they will grow up to be strong and hopefully produce healthy offspring.
Disadvantages: Fewer of them means that when one is lost, it will have a greater effect on the group. They also cannot reproduce as quickly as if they had lots of offspring.

In the seventeenth century, Francesco Redi performed experiments using raw meat placed in jars.
• Half of the jars were covered, and half were left open,
• Redi noticed that the meat in the sealed jars did not have maggots, but the meat in the open jars did have maggots.
Redi concluded that only flies could make more flies,
.
Which part of the cell theory corresponds to Redi's findings?

Answers

Answer: B

Explanation:

''New cells come from the existing cells'' is a part of the cell theory which corresponds to Redi's findings.

Experiment performed by Francesco Redi

Francesco Redi conducted an experiment in which he showed that living organisms come from other living organisms. This worked combine with the work of other later scientists, helped to develop the third part of the cell theory which is cells come from other living cells.

Learn more about cell theory here: https://brainly.com/question/3966602

What molecule do bacteria take in (use up)?

Oxygen
Carbon Dioxide
Water

(This is 7th grade science)

Answers

Carbon dioxide will be the answer

Once assembled, what is the key to a protein's unique function?​

Answers

Answer:

Once assembled, what is the key to a protein's unique function? The manner in which proteins fold is the key to their function

The endoplasmic reticulum is an important  region where protein folding occur. Because proteins need to be appropriately folded into distinct structures, this is an essential biological function.

What is importance of protein folding?

Proteins that are misfolded or are unfolded improperly impart to the pathophysiology of many illnesses.

Protein folding is a highly delicate process that is regulated by a variety of external stimuli, such as temperature, pH, chemicals, molecule crowding, electric and magnetic fields, and temperature.

These elements affect a protein's capacity to fold into the appropriate functional forms.

Therefore, Protein folding give unique properties to protein functions.

Learn more about protein folding here:

https://brainly.com/question/28421475

#SPJ2

identify and explain three environmental impacts of current agricultural methods

Answers

Explanation:

It is profit making practice but it causes increased level of pathogens.

It has increased the level of chemicals in our land and water.

It has increased levels of greenhouse gases in air.

If the process of meiosis shown to the right proceeds
normally, how many
chromosomes will cells A, B, C, and D have?
B

Answers

Answer:

If I’m correct it’s 15

Explanation:

6B(SCIENCE) (6BB OOB)
4
What is the difference between evaporation and boiling? *
(1 Point)
A) There is no difference - they are exactly the same.
B) Evaporation, unlike boiling, occurs at all temperatures.
C) In evaporation, unlike in boiling, there is no state change.
D) In boiling, unlike in evaporation, the liquid volume reduces.
This question is required.​

Answers

B) Evaporation , Unlike boiling, occurs at all temperatures

Identity Factors in an Experiment
WARM-UP
Consider what you already know about scientific design. To set up an experiment testing whether
students' grades are affected by their level of exercise, which factors do you think you would need to keep
in mind? Check all that apply.
student gender
vpe of exercise
amount of exercise
what grades are measured
how long the experiment will last
what time of day the students exercise
how much time the students spend studying
DONI

Answers

Answer:

Did you copy and paste this from somewhere because i want to help but i don't understand it at all.

Explanation:

If a cell suddenly stopped producing transfer RNA, which of the following processes would be immediately affected?

Answers

Answer: DNA

Explanation: The RNA is a big affect on the DNA because, there will be no repairs of the DNA leading to cancer

9. What is the difference betwen climate and weather?

Answers

Answer:

Climate is the long-term weather, like it is usually sunny in Florida,

Weather is the weather that you see every day, such as rainy.

Explanation:

Answer:

Weather reflects short-term conditions of the atmosphere while climate is the average daily weather for an extended period of time at a certain location.

Explanation:

Question 14 (2 points)
(06.03 MC)
Which of the following correctly identifies a lymphatic organ and describes how it
can fight cancer? (2 points)
1) Lymph vessel; removes fluid from tissues
2) Lymph trunk; returns lymph to the blood
3) Spleen; replaces damaged red blood cells
4) Thymus; exposes lymphocytes to antigens

Answers

All of the statements correctly identify a lymphatic organ. In vertebrates, the lymphatic organs, also known as the lymphoid system, are an organ system that is a part of the immune system and works in conjunction with the circulatory system.

The Lymphatic OrgansLymphatic vessels, which are found all over your body and transport lymph away from tissues, are a network of capillaries (microvessels) and a huge network of tubes.By emptying into the corresponding subclavian veins, the lymph ducts, which are formed by the lymph trunks, restore lymph to circulation.Red blood cells that are outdated or damaged are eliminated by the spleen, which also removes cellular waste from circulation.Training specific white blood cells known as T-lymphocytes or T-cells is the thymus gland's main job.

Hence, all of the statements correctly identify a lymphatic organ.

How lymphatic system fights Cancer?Regional lymph nodes, which are predictive of distant organ metastases and poor survival, are accessible to tumor cells via lymphatic arteries.As the lymph fluid moves through the lymph nodes, it is filtered. B cells and T cells, two types of white blood cells, assault any viruses or bacteria they discover in the lymph.

To learn more about the Lymphatic System refer to:

https://brainly.com/question/13676212

#SPJ1

What are gametes?

male and female reproductive organs
male and female reproductive tissues
male and female reproductive systems
male and female reproductive cells

Answers

Answer:

male and female reproductive cells

Explanation:

I hope it helps ❤❤

Answer:

the last one

Explanation:

⚠️Second time posting this⚠️
Geneticists use Punnett Squares to show all the possible outcomes of a genetic cross and to determine the probability of a particular outcome.
True
or
false

Answers

Answer:

True

Explanation:

Scientists only use punnet squares if they want to determine what the possible outcomes will be for the offspring.

Hope this helps, if it is wrong, I am sorry. T^T

Answer:

   true

Explanation:

What kind of inheritance is horse color an example of?

A. Complete dominance
B. Incomplete dominance
C. Co-dominance

Answers

i think the answer would be a , because of the certain color is more popular than an another based on the the gene but i can be completely wrong , correct me if i am :)

Which of the following are sources of extra nutrients that can cause algae to overgrow in water due to HUMAN activity? CAREFULLY select all options that apply. List the answers.


dissolved oxygen in water

treated waste water

viruses

combined sewage overflow (CSO)

fertilizers

cleaning products

dog poop on the streets of NYC

water running over rocks


(This is 7th grade science)

Answers

I’m not sure about the rest but I think Dog poop is one

How are herbivore and carnivore alike

Answers

Answer:

They both obtain energy by consuming other organisms.

Explanation:

Hope this helps<3

Answer:they both gather energy from other organisms.

Explanation:

which layer of the earth is made out of melted metal?

Answers

The outer core. A molten nickle- iron alloy.

Other Questions
I don't get it, the concept is to make a proof, but I'm so confused!!!! need plez brainly to the person right with reason Plss answeri will give brainliest I need a Haiku poem about broken hearts..Can someone help..? someone plz help im giving out brainliest ;) Someone pls help what would this slope be ? simplify the equations below Vocabulary: How are integers and their opposites related? Select all that are true. 2. Compare and contrast social policy with economic policy. What are some examplesof each policy? How might each type of policy address the same problem in a differentway? (5 points) The parabola in the figure below has an equation of the form y = ax^2 + bx - 4. Find the equation of the parabola A box is pushed 40 meters by a mover. The amount of work done was 2,240 joules. How much force was exerted on the box? Write the formula used in the correct form and your answer with the appropriate unit. What is the geometric mean of 7 and 56 NEED AN ANSWER FAST!what two things did Noah Webster do to improve education and help build a unique American identity?Based on Williams Holmes McGuffey what are three common educational practices that began with the use of McGuffey readers? How did they represent improvements in education? ====MATH QUESTION====Extra points It is for us the living, rather, to be dedicated here to the unfinished work which they who fought here have thus far so nobly advanced. It is rather for us to be here dedicated to the great task remaining before usthat from these honored dead we take increased devotion to that cause for which they gave the last full measure of devotionthat we here highly resolve that these dead shall not have died in vainthat this nation, under God, shall have a new birth of freedomand that government of the people, by the people, for the people, shall not perish from the earth.Abraham Lincoln, Gettysburg Address, November 1863Which of the following most directly contributed to the conflict referred to in the excerpt? Which accurately describes reproduction in gymnosperms? Select four options. Some require heat for seed dispersal. Female cones produce pollen. Most gymnosperms produce male and female cones. Fertilized ovules grow into seeds. Male and female cones may grow on the same plant. Do this and u get a brainly What are the two main defenses you can use in the event of a discriminatory practice allegation, and what exactly do they involve Write 8 x 10^-4 in standard notation. Parallel lines j and k are cut by transvesal t . Which statement is true about 2 and 6