The Terrestrial Cycle (Fast)

Question 1

Step 1

Answer 1

Plants absorb CO2 from atmosphere through their leaves

Question 2

Step 2

Answer 2

Using sunlight and water, they convert CO2 from organic carbon via photosynthesis

Question 3

Step 3

Answer 3

Herbivores eat plants, transferring carbon through their bodies

Question 4

Step 4

Answer 4

During cellular respiration, plants and animals release CO2 back into the atmosphere as they break down organic carbon for energy

Question 5

Step 5

Answer 5

When plants and animals die, decomposers break down organic carbon for energyS

Question 6

Step 6

Answer 6

Some carbon is released as CO2 through microbial respiration

Question 7

Step 7

Answer 7

Some carbon is stored in soil as humus forming an important short term carbon sink.