4.2 Ecology

Question 1

What the difference between the carbon and energy cycle

Answer 1

Energy is eventually turned into heat while carbon stays in the loop.

Question 2

What does photosynthesis and cellular respiration do in the carbon cycle.

Answer 2

Photosynthesis starts the process by bringing carbon from the atmosphere to the producers cycle while cellular respiration ends the cycle by releasing the carbon back into the atmosphere.

Question 3

Nitrogen fixation

Answer 3

The process that brings the nitrogen onto the soil.

Question 4

Denitrification

Answer 4

Denitrification: Process in which Nitrogen returns to the