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A type I survivorship curve (with low initial mortality) is exhibited by …a) humans.b) birds.c) crustaceans.d) oysters

Question

A type I survivorship curve (with low initial mortality) is exhibited by …a) humans.b) birds.c) crustaceans.d) oysters

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Solution

The answer is a) humans. A Type I survivorship curve is characterized by low mortality at early and middle ages and high mortality at older ages. This is typical of species that produce few offspring but care for them well, such as humans and many mammals.

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