Biology, 26.09.2019 13:30 trinityhayes347
Explain why humans can be at different trophic levels on different food chains, but they can never occupy the lowest trophic level.
Answers: 1
Biology, 22.06.2019 05:20
When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen
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Biology, 22.06.2019 14:00
Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet
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Biology, 22.06.2019 15:30
(me out over the last several centuries, scientists have made the following broad observations while investigating several branches of the life sciences: -the fossil record shows that different types of organisms have existed at different times in earth's history. -many organisms have similar body structures that seem to be adapted to different ways of living in their environment. -organisms of different species often share similarities in stages of embryonic development. -many species share genetic similarities, and almost all organisms use the same basic building blocks to construct proteins. -often, the extent of two species' similarities can be predicted from their geographic closeness to each other. -a great deal of change has been observed among species that have experienced strong selective pressures through many generations. scientists have carefully considered and rigorously tested the observations listed above. when scientists offer a of these observations, they are making 1.) testable explanation, deductive explanation 2.) scientific interference, scientific law
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Biology, 22.06.2019 16:20
Which u.s. state lists the horned toad as its state reptile?
Answers: 2
Explain why humans can be at different trophic levels on different food chains, but they can never o...
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