3
lesson pretestMultiple Choice

Pretest

Question 3 • Biology

A square kilometer of forest has 200 deer. What is the term that is used to describe this number?

Answer
A
population density
B
density-dependent
C
birth rate
D
limiting factors

Explanation

Population density describes how many individuals live in a given area. Here, 200 deer live in one square kilometer, so the number is the population density. A birth rate measures births over time, while density-dependent and limiting factors describe influences on population size.

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