Background extinction refers to the normal extinction rate. These are species that go extinct simply because not all life can be sustained on Earth and some species simply cannot survive. Mass extinction is a widespread event that wipes out the majority (over 50%) of living plants and animals.
<span>The MOSQUITO spreads more parasitic diseases to humans than any other vector.
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The contamint would evaporate
Disruptive selection describes changes in population genetics in which extreme values for a trait are favored over intermediate values.
