Question 8
The model shows part of how carbon is cycled between living organisms.
The (bottom) green box in the model represents organisms that remove carbon dioxide from the atmosphere to recycle it. Which BEST describes these organisms?
a
consumers that make energy by taking in carbon dioxide when they inhale
b
fungi that break down oxygen and release carbon dioxide in exchange
c
producers that carry out photosynthesis to make carbon-rich sugars
d
bacteria that combine carbon dioxide with nitrogen to make nutrients
Question 9
Which of the following process removes carbon from the atmosphere
a
Decomposition
b
Photosynthesis
c
Combustion
d
Respiration
Question 8: c) producers that carry out photosynthesis to make carbon-rich sugars
Question 9: b) Photosynthesis