B16

Question 1

Why must material in the living will be recycled?

Answer 1

Material in the living world is recycled to provide building blocks for future organisms

Question 2

What chemical elements are recycled when animals are plants decay?

Answer 2

Decay for dead animals and plants by microorganism return carbon to the atmosphere as carbon dioxide and Memoral ions to the soil

Question 3

Who uses carbon dioxide in the atmosphere and what for?

Answer 3

Carbon dioxide in the atmosphere is used by plants in photosynthesis.

Question 4

Why is the water cycle important?

Answer 4

The water cycle provides freshwater for plants and animals on land before draining into the seas. Water is Continuously evaporated condensed, and precipitated

Question 5

What is the role of photosynthesis in the carbon cycle?

Answer 5

Photosynthesis removes carbon dioxide from the atmosphere by using green plants and algae for example. It does this by absorbing the carbon from the carbon dioxide to make carbohydrates, proteins and fats

Question 6

what is the role of respiration in the carbon cycle?

Answer 6

The role of respiration in the carbon cycle is that it helps return carbon back to the atmosphere from the dead animals and plants by decomposing them and bacteria feeding of the dead bodies. Carbon is released into The atmosphere as carbon dioxide as the decomposes respire

Question 7

What is the role of combustion in the carbon cycle?

Answer 7

The role of combustion is that it releases carbon dioxide back into the atmosphere by burning fossil fuels which contains carbon for millions of years ago