Biology, 31.07.2019 06:00 rodriguezg16
In this ecosystem diagram, pollution and human activities have led to a decrease in the number of eagles. a sudden viral attack on rabbits has led to a decrease in the population of rabbits in the ecosystem. based on these changes, which two of the following predictions are scientifically sound?
Answers: 1
Biology, 21.06.2019 20:00
Read the following scenario to answer the following question. 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. when most populations of a wide-ranging amphibian species are lost and the few remaining populations are widely separated, we expect to see that a. the founder effect becomes increasingly important b. microevolution no longer occurs c. gene flow between populations is reduced d. artificial selection becomes a greater factor in microevolution
Answers: 2
Biology, 21.06.2019 21:00
What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones
Answers: 3
Biology, 22.06.2019 03:30
For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.
Answers: 1
In this ecosystem diagram, pollution and human activities have led to a decrease in the number of ea...
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