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Cards (11)
What is the main focus of the video discussed in the study material?
The carbon cycle
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Why is nutrient recycling important in ecology?
It is the way elements are continuously exchanged between living and non-living parts of the ecosystem
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Which two cycles are specifically mentioned for the course?
Nitrogen and carbon cycles
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What is the carbon cycle?
It is the continual recycling of carbon for reuse
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Why is the carbon cycle necessary?
Because
there is a
limited supply of carbon that must be constantly recycled
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What is the main source of carbon in the carbon cycle?
The atmosphere
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What happens to carbon dioxide during
photosynthesis
?
It
is
converted into
the
carbohydrate glucose
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How does carbon move through the food chain?
Carbon is passed
along the food chain as
animals eat plants and other animals
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What role do decomposers play in the carbon cycle?
They break down organic matter containing carbon and return it to the environment
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What is a consequence of incomplete decomposition in the carbon cycle?
It can lead to the formation of fossil fuels
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How is carbon released back into the atmosphere through respiration?
Both plants and animals
respire
, returning
carbon
as
carbon dioxide
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