Answer:
<em>Geographic isolation</em>
Explanation:
Geographic isolation can be described as a term that describes the model of speciation in which a biological population becomes isolated from other members of the population and can no longer have gene flow with them.
The same scenario of gene isolation is occurring in the species of taods which live at the top of the mountains in southern Arizona. This population has become reproductively isolated fro all other species of toads within the mountain range.
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A cell of the nervous system is <u>neuron.</u><u>.</u><u>.</u>
the meaning is that the cell is filled by choroplast.
<h2>polysaccharides; that is, both molecules are made up of a lot of sugar molecules. </h2><h2>:3</h2><h2 />
