Biology, 23.02.2021 14:00 hairyears3394

Students began a study of 30 guppies small fish during a school year. At the beginning of the year, half the guppies were blue and half were yellow. As the year went by, the guppies reproduced. By the end of the year, there were 50 guppies and 90% were blue. What are the four descriptions that explain how natural selection affected the blue guppies in this study?

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Students began a study of 30 guppies small fish during a school year. At the beginning of the year,...