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Biology, 21.06.2019 15:30
15 points come and ! which characteristic describes all bacteria? a rod-shaped b microscopic c multicellular d autotrophic
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Biology, 21.06.2019 22:00
Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.
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Biology, 22.06.2019 00:10
Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?
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Biology, 22.06.2019 02:00
The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important
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Does the oxygen that enters cellular respiration in animals exit as CO2? Explain....
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