In a pyramid of numbers, what does each level represent?
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Correct answer: The number of individual organisms at each trophic level.
A pyramid of numbers displays the population size of each trophic level. While energy pyramids are always upright, pyramids of numbers can sometimes be inverted (e.g., thousands of insects feeding on a single large tree).
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More Ecosystems questions
- Which of the following terms describes the total dry weight of all living organic matter in a specific trophic level or ecosystem?
- In an energy pyramid, what percentage of energy is typically transferred from one trophic level to the next higher level?
- Which process in the nitrogen cycle involves the conversion of atmospheric nitrogen (N2) into ammonia (NH3) by specialized bacteria?
- What is the primary difference between a food chain and a food web?
- Which of the following organisms is always found at the first trophic level of an ecosystem?
- In the phosphorus cycle, what is the primary reservoir for phosphorus?