Biology
Biology, 22.10.2020 20:01, EllaSue

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?

emigration or increase in death rate
emigration or increase in birth rate
immigration or decrease in death rate
immigration or increase in birth rate

PLZ HURR 20 POINTS

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