Practice Quiz

CLEP Natural Sciences - Biological Science

Category - CLEP Natural Sciences - Biology

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The size of a bird population increased by two percent in one year. Which of the following could have contributed to the population increase?
  1. a decrease in the death rate ofbaby birds
  2. an increase in the number of the birds’ predators
  3. an increase in the average numberof parasites per bird
  4. a decrease in the immigration of birds of the same species
Explanation
Answer: A - A decrease in the death rate ofbaby birds.
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