Biology, 02.08.2019 09:30 PearlJam819
Marine ocean ! which of the following live in the pelagic zone? question 4 options: sponges worms marine mammals sea lilies
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Biology, 21.06.2019 19:40
What type of genetic drift would be simulated if all the beans that were not selected died out?
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Biology, 21.06.2019 20:00
Defend or refute the argument that the government has too large a presence in the agriculture industry.
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Biology, 21.06.2019 20:00
Over the past 60 years, many amphibian species have experienced significant population declines and some species have become extinct. scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. however, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. these global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. in switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. chytridiomycosis is a fungal disease first identified in 1998 as a cause of massive amphibian deaths. in some severely impacted populations, a few individuals have survived, perhaps because of some natural resistance. if these resistant individuals continue to survive and prosper, new resistant populations might emerge. this would be an example of the founder effect artificial selection genetic drift natural selection sexual selection
Answers: 3
Marine ocean ! which of the following live in the pelagic zone? question 4 options: sponges worms...
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