Earth is blanketed with so many species and so many different kinds of biological communities because populations have been able to adapt to almost any kind of environment on Earth through natural selection. ... To sustain life on Earth, more than the few animal and plant species used by humans must be preserved.
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there are no real similaritys. they Are bith completely different things
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40. I remember this by knowing that haploid is like half and diploid is like double
Answer:
Scientists classify the different types of soil into major groups based on climate, plants, and soil composition. ... Some soil organisms make humus, the material that makes soil fertile. Other soil organisms mix the soil and make spaces in it for air and water.
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Hope this helps :))
I would say immigration only.
emigration would theoretically reduce the genetic variation as unique individuals leave, but immigration would bring unique traits into circulation in an ecosystem.
I'm not super great at biogy tho so this might not be right... :)