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Why must the heart contract very strongly to pump blood from the left ventricle into the aorta?
Answers: 2
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Specialized cells which perform a particular function form : organisms organs tissues
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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
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Biology, 22.06.2019 13:30
What kinds of molecules can pass through the cell membrane without any problem?
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Biology, 22.06.2019 16:00
Hydroelectric uses moving water to do work such as grinding grains in a mill true or false
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Why must the heart contract very strongly to pump blood from the left ventricle into the aorta?...
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