The answer is an overhunting.
<span>The bottleneck event means drastic reduction of the population size because of environment changes. The consequence of this is the reduction of genetic variation. The bison population is a good example of the population bottleneck. The bison population drastically reduced its size due to overhunting which culminated at the end of the 19th century, when bisons almost extinct. </span>
Answer:
A point mutation or substitution is a genetic mutation where a single nucleotide base is changed, inserted or deleted from a DNA or RNA sequence of an organism's genome.
Explanation:
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1) Oxygen
2) Carbon
3) Hydrogen (water)
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A) part a is cell wall part b is chloroplast
The process by which the oceanic crust<span> is pulled </span>under<span> the </span>continental crust<span> is called </span>subduction<span> and the zone at which this occurs at the plate boundaries is called the </span>subduction<span> zone.</span>