Biology, 19.07.2019 11:30 andydiaz1227
Describe how natural selection causes the sickle cell allele to persist in some gene pools
Answers: 1
Biology, 21.06.2019 20:00
Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species
Answers: 3
Biology, 21.06.2019 23:00
Which image shows labeled organelles that are present only in plant cells?
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Biology, 22.06.2019 02:30
One of the purposes of transcription is to produce a sequence of bases that
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Biology, 22.06.2019 04:00
Regarding most of the narrator’s story, which word best describes the tone?
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Describe how natural selection causes the sickle cell allele to persist in some gene pools...
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