2nd Year - Carbon Cycle

Question 1

Why is carbon dioxide removed from the environment by green plants?

Answer 1

For photosynthesis

Question 2

What is carbon from carbon dioxide used to make for the body of plants?

Answer 2

Carbohydrates, fats and proteins

Question 3

What happens to some of the carbon dioxide when green plants respire?

Answer 3

Some of the carbon dioxide is returned to the atmosphere

Question 4

What happens to carbon when green plants are eaten by animals and these animals are eaten by other animals?

Answer 4

Some of the carbon becomes part of the fats and proteins which make up their bodies

Question 5

What happens to carbon when animals respire?

Answer 5

When animals respire, some of the carbon that makes up their bodies becomes carbon dioxide and is released

Question 6

What happens to plants and animals bodies when they die?

Answer 6

Some animals and microorganisms feed on their bodies. Carbon is released into the atmosphere as carbon dioxide when these organisms respire.

Question 7

What is released when fossil fuels are burnt?

Answer 7

Carbon dioxide