Answer:
Change in an organism's environment forces the organism to adapt to fit the new environment, eventually causing it to evolve into a new species. ... Organisms become isolated as a result of environmental change. The cause of isolation can be gradual, like when mountains or deserts form, or continents split apart.
Explanation:
Gas exchange takes place in the alveoli located in the lungs and the capillaries that surround them.
Genetic engineering is the method used to turn of genes that cause defects.
