객관식
How might an ecologist test whether a species is occupying its fundamental niche or its realized niche?
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48. Ecology
Introduction to Ecology
객관식
Which process does NOT occur in ecosystems?
A
Nutrient cycling
B
Cellular respiration
C
Photosynthesis
D
Nuclear fusion
검증된 단계별 안내1
Step 1: Begin by understanding the concept of an ecosystem. An ecosystem is a community of living organisms interacting with their physical environment, involving processes like energy flow and nutrient cycling.
Step 2: Review the processes listed in the question. Nutrient cycling, cellular respiration, and photosynthesis are all biological processes that occur within ecosystems and contribute to their functioning.
Step 3: Define nuclear fusion. Nuclear fusion is a physical process where atomic nuclei combine to form a heavier nucleus, releasing energy. This process occurs in stars, such as the sun, and is not a biological or ecological process.
Step 4: Compare nuclear fusion to the other processes. Unlike nutrient cycling, cellular respiration, and photosynthesis, nuclear fusion does not occur within ecosystems because it is not related to the biological or chemical interactions within an ecosystem.
Step 5: Conclude that nuclear fusion is the correct answer because it is a physical process that takes place in stars and is unrelated to the biological processes that sustain ecosystems.
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