32
QuizMultiple Choice

Cumulative Exam — Cumulative exam

Question 32 • SVLC BIOLOGY B (15206)

The overall population of a species decreased. What could have occurred to make this happen?

Answer
A
The immigration rate increased, while the death rate decreased.
B
The birth rate decreased, while the death rate increased.
C
The carrying capacity increased, while the immigration increased.
D
The emigration increased, while the birth rate increased.

Explanation

A population decreases when fewer individuals are added and more are lost. In choice B, the birth rate decreased and the death rate increased, so fewer individuals were born while more died. The other choices include changes that tend to increase the population, such as increased immigration or increased births.

AI-written and checked against the verified answer.

Previous
Next