5.4 The Carbon Cycle Flashcards
1
Q
What does the recycling of carbon involve?
A
Photosynthesis and respiration
2
Q
What does photosynthesis do?
A
Removes CO2 from the atmosphere
3
Q
What returns CO2 to the atmosphere?
A
Respiration
4
Q
What is another way CO2 is released into the atmosphere?
A
When humans cut down and burn trees
5
Q
What is the carbon cycle?
A
The constant cycling of carbon
6
Q
What is carbon used for in plants and algae?
A
To make carbohydrates, fats, and proteins which make up their bodies
7
Q
What do animals eat green plants for?
A
To build the carbon in their bodies
8
Q
What happens when plants and animals die?
A
Microorganisms feed on their bodies
