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umka2103 [35]
3 years ago
15

How did black bears become so diverse over time?

Biology
1 answer:
serious [3.7K]3 years ago
8 0

Answer: They evolved from the same line as the cave bear, descending from Ursus abstrusus, a small, primitive black bear. Ursus Euarctos, a black bear, came to North America during the Pliocene Epoch before the brown bear.

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