Select the correct answer.Which statement is correct about the pyramid of numbers? A. Higher the trophic level, lower the number of species and larger their size. B. Higher the trophic level, higher the number of species and larger their size. C. Higher the trophic level, lower the number of species and smaller their size. D. Higher the trophic level, higher the number of species and smaller their size.
Question
Select the correct answer.Which statement is correct about the pyramid of numbers? A. Higher the trophic level, lower the number of species and larger their size. B. Higher the trophic level, higher the number of species and larger their size. C. Higher the trophic level, lower the number of species and smaller their size. D. Higher the trophic level, higher the number of species and smaller their size.
Solution
The correct answer is A. Higher the trophic level, lower the number of species and larger their size. This is because as you move up the trophic levels in a food chain, the number of organisms decreases due to energy loss, but the size of the organisms generally increases. For example, there are fewer lions than zebras in a savannah ecosystem, but lions are larger in size.
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