Biology · Ecology
In a systematic ecological survey of lepidopterans in a moist deciduous forest, a total of 197 species were recorded with 6814 individuals. According to the typical relative abundance distribution pattern in natural communities, which one of the statements below is correct?
- 1Common and rare species are evenly present, with an equal representation of individuals.
- 2Most species are common and few species are rare, represented by few individuals.
- 3Most species are rare and few species are common, represented by a large number of individuals.✓
- 4Most species are common and are represented by a large number of individuals.
Correct answer
Most species are rare and few species are common, represented by a large number of individuals.
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