Carbon Cycle

Question 1

Explain carbon cycle

Answer 1

Co2 removed by photosynthesis as it’s used to make carbohydrates, fats and proteins.

Some Co2 is returned by respiration of plants

Animals eat plants and the carbon becomes part of the fats and protein which make up the animal.

Plants and animals die, micro-organisms feed on them (detritus feeders), respiring as they do, returning some carbon

Question 2

What is carbon monoxide and affect it has on body

Answer 2

It is poisonous which reduces ability for red blood cells to carry oxygen around Body

Question 3

Why is decay process so important to food chains

Answer 3

Decay releases substances which plants need to grow

Question 4

What do plants make use of carbon dioxide for

Answer 4

Carbon dioxide is needed for carbohydrates, fats and proteins