GED Science Practice Test 18 — Flashcards | General Equivalency Diploma (GED) | FatSkills

GED Science Practice Test 18 — Flashcards

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Arctic foxes have a thick layer of fat and dense, white fur to help protect them from the freezing temperatures of the Arctic habitat where they live. Natural selection is thought to be involved in the evolution of the Arctic fox’s thick coat of fur. 

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Which of the following best explains how natural selection is involved in the evolution of the Arctic fox’s thick fur coat?
Arctic foxes with thinner coats did not survive because they were not well-suited to the harsh conditions of their environment.
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