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3 years ago

Plz say some possible question on class 10 NCERT our environment chapter 10 topic FOOD CHAINS AND WEBS

Biology

1 answer:

svlad2 [7]3 years ago

8 0

Answer:

~What is the difference between primary and secondary consumers in a food chain?

~How does energy flow through the food chain?

~What's the most important part of the food web/chain?

~What role does a consumer play in a food chain?

~What is a decomposer and how does it play a part in the food chain/web?

~What does the food chain always start with?

~What is the difference between a food chain and a food web?

~What kind of question could you answer with a food web?

~What kind of question could you answer with a food chain?

~What is a secondary consumer, and why is it labled

as a secondary consumer?

Explanation:

Hope this helps!

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The right ventricle transports oxygenated blood to the lungs true or false

adell [148]

I believe the correct answer is FALSE.

<h2>Explanation:</h2>

The heart is an organ located at the center of the chest in the thoracic cavity and functions to supply blood to and from tissues giving the tissues oxygen and nutrients while taking away carbon dioxide and waste products. It is divided into 4 chambers and 2 chambers are separated by a muscular wall that prevents mixing of the blood.

<h2>Further Explanation:</h2>

Blood enters the heart via the vena cava which is divided into the superior vena cava that recieves blood from the upper region of the body that includes the head, neck and chest while the inferior vena cava recieves blood from the lower extremeties that includes the legs, the abdomen, the pelvic region and the thighs. The blood is deposited into the right atrium and is de-oxygenated. When it is deposited into the right atrium, the change in volume of the atrium and the expansion causes the valve to open and allow the de-oxygenated blood to flow into the right ventricle. The right ventricle then pumps the blood that is de-oxygenated to the lungs via the pulmonary artery which is the only artery that pumps de-oxygenated blood. In the lungs, carbon dioxide is removed and oxygen added to the blood and is taken to the left atrium which pumps the oxygenated blood to the left ventricle and then the left ventricle pumps the oxygenated blood to the rest of the body. The blood is then again taken through the body via the capillaries and the veins pick up the blood that has been removed of oxygen and added with carbon dioxide and transport the blood back to the heart via the vena cava. It enters the right atrium via both the inferior and superior vena cava and the de-oxygenated blood is circulated again to the lungs for oxygenation from the left ventricle.

<h2>Learn More:</h2>

Learn More about types of circulation: brainly.com/question/1615925

Learn more about the heart: brainly.com/question/12945500

Learn more about the circulatory system: brainly.com/question/919984

Level: High School

Subject: Biology

Topic: The Circulatory System

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3 years ago

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Many new drugs developed by pharmaceutical companies are enzyme inhibitors. Which best summarizes the function of these inhibito

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Decreasing enzyme binding affinity by blocking the active site.

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3 years ago

The number of bacteria in a certain population is predicted to increase according to a continuous exponential growth model, at a

Brilliant_brown [7]

The given question is incomplete. The complete question is as follows;

The number of bacteria in a certain population is predicted to increase according to a continuous exponential growth model, at a relative rate of 16% per hour. Suppose that a sample culture has an initial population of 71 bacteria. Find the predicted population after three hours Do not round any intermediate computations, and round your answer to the nearest tenth bacteria .

Answer:

114.7

Explanation:

A (t) represent the population of the bacteria at the time t.

Since, the population grows exponentially, the population can be calculated as follows:

A (t) = Ao × $e^{kt}$

A (t) is teh final population, Ao is the initial population, e is the exponential, k is rate and t is time.

A (t) = 71 × $e^{0.16\times t}$

For t = 3 hours

A (t) = 71 × $e^{0.16\times 3}$

A (t) = 114.7.

The population of bacteria after 3 hours is 114.7.

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4 years ago

Name two actions<br> that you could take to reduce elephant poaching.

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Answer:

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3 years ago

Why do you think scientist don't use actual humans to do experiments with?

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Answer:

take the average person you meet

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