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Biology, 22.06.2019 10:30
In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.
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Biology, 22.06.2019 13:20
There are only about 250,000 known fossil species. true or false
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Biology, 22.06.2019 14:40
In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?
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