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- 1. Multiple Choice
Which process(es) release carbon dioxide into the atmosphere?
respiration
combustion
photosynthesis
feeding
- 2. Multiple Choice
Which process(es) take carbon dioxide out of the atmosphere?
respiration
combustion
photosynthesis
feeding
- 3. Multiple Choice
What type of organism receives carbon present in dead plants and animals?
producer
primary consumer
secondary consumer
decomposer
- 4. Multiple Choice
Burning fossil fuel has which effect in the carbon cycle?It removes carbon dioxide from the atmosphere.It puts carbon dioxide under the ground.It adds carbon dioxide to the atmosphere.It has no effect in the carbon cycle. - 5. Multiple Choice
Carbon is important for which molecules
carbohydrates
proteins
lipids (fats)
water
- 6. Multiple Choice
What molecule is carbon first fixed into by plants in photosynthesis?
glucose
protein
cellulose
starch
- 7. Multiple Choice
How is carbon transfered between organisms in a food chain?
feeding and assimilation
decomposition
sedimentation
respiration
- 8. Multiple Choice
Which two groups of organisms breakdown dead and decaying matter?
decomposers
detritivores
animals
plants
- 9. Multiple Choice
What can happen to the carbon dead organisms if they end up in an area with low oxygen?
fossilise into fossil fuels
decomposed
respire
fossilise into limestone
- 10. Multiple Choice
Which is the correct balanced symbol equation for aerobic respiration?
1
2
3
4
- 11. Multiple Choice
Which is the correct balanced symbol equation for photosynthesis?
A
B
C
D
- 12. Multiple Choice
True or False: anaerobic respiration in humans releases CO2
True
False
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