This definition above refers to the geographic isolation.
It means exactly what it says in the definition - one species is left behind from the rest of the population, and it stays in that particular location, evolving and changing from the species and population it was once a part of.
Answer:
B.
burning of fossil fuels
it increase the amount of carbon present in atmosphere.
Answer D) : from testing the starch by iodine
B. Gene. Piebalding is caused by mutant copies of genes.
