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Biology, 24.05.2021 16:10 skylarbrown018
The three-spined stickleback is a species of fish. It lives in the ocean and in streams that flow into the ocean. Some scientists think that the ocean populations and stream populations may be evolving into separate species. Which of the following statements describes how speciation of these fish would most likely occur? A Fish from stream populations would sometimes swim into the ocean but fish from ocean populations would stop swimming into streams. B Ocean populations and stream populations would each mate fewer times per year and would have decreased birth rates over time. Ocean populations and stream populations would each adapt differently to their c environments and would accumulate enough differences over time to prevent interbreeding D Fish from stream populations would start to reach maturity at the same time as fish from ocean populations
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The three-spined stickleback is a species of fish. It lives in the ocean and in streams that flow in...
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