7
QuizMultiple Choice

Populations

Question 7 • Science 7 B (M12 25/26 S2)

A population of frogs in a pond began with 67 individuals. Over one year, the population changed to 53.Which are two possible reasons for the change within the frog population?

Answer
A
emigration or increase in death rate
B
emigration or increase in birth rate
C
immigration or decrease in death rate
D
immigration or increase in birth rate
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