The Ranges of Black Bears and Brown Bears Overlap

question 128

Multiple Choice

The ranges of black bears and brown bears overlap. However, black bears spend most of their time in the woods and brown bears spend most of their time along the river. Which of the following best describes why black and brown bears do not interbreed?

• A) habitat isolation
• B) temporal isolation
• C) biological isolation
• D) evolutionary isolation
• E) environmental isolation

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