Biology, 08.11.2019 03:31, laura52677
During the drought of 1977 on daphne major, the best kind of beak for opening tibulous fruit was both deep and narrow. but the evolutionary change that occurred in the population was toward beaks that were, on average, deeper and wider. why?
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Biology, 22.06.2019 01:30, jfrjtwrg
In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.
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During the drought of 1977 on daphne major, the best kind of beak for opening tibulous fruit was bot...
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