The Carbon Cycle - Introduction

Question 1

Define nutrient recycling.

Answer 1

Nutrient recycling is the way in which elements (such as carbon and nitrogen) are exchanged between the living and non-living components of an ecosystem

Question 2

What is the carbon cycle?

2

Answer 2

The carbon cycle is the process by which carbon from the environment is converted to carbon in living things

The carbon in living things is later released back into the environment

Question 3

What is carbon usually exchanged between?

Answer 3

Between living things and their environment

Question 4

In what form is carbon exchanged between living things and their environment?

Answer 4

In the form of gas, carbon dioxide

Question 5

What relationship do plants have with carbon dioxide in the atmosphere?

Answer 5

Plants have been removing carbon dioxide from the atmosphere for millions of year

Question 6

Why is it important that the carbon dioxide in the environment is replaced?

Answer 6

As plants need carbon dioxide for photosynthesis to continue