Biology, 04.12.2020 21:50 montgomerykarloxc24x
Cells used a molecule called what to store and release energy
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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
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Biology, 22.06.2019 04:30
Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?
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Biology, 22.06.2019 09:20
Which type of stimulus do mechanoreceptors detect? sound pain heat light
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Biology, 22.06.2019 21:30
Look at the inheritance patterns. what do you notice? can a single offspring inherit both chromosomes from one parent?
Answers: 2
Cells used a molecule called what to store and release energy...
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