"Mechanical" would be the kind of reproductive isolation among the choices given in the question that has been observed in these two species. The correct option among all the options that are given in the question is the first option or option "A". I hope that the answer has come to your help.
Answer:
Left ventricle.
Explanation:
Human heart is divided into four chambers - two auricles and two ventricles. Heart acts as the pumping organ and carries both oxygenated and deoxygenated blood in the right and left ventricles.
The failure of functioning of any chamber of heart may cause a particular disease in the individuals. The pulmonary congestive heart failure occurs due to the failure of the left ventricles of the heart. The left ventricle carries blood from heart to the body tissues, its failure leads to the backup of blood in the lungs.
Thus, the answer is left ventricle.
Answer:
A cell is the smallest unit of a living thing.
Mitochondria makes the energy for the entire cell, or ATP. Having two or more in a athletes muscle would be a huge advantage because the more ATP, the more endurance the muscle has.
<span>A medical researcher can successfully prevent communication between cells by blocking the chemical messengers from traveling to or reaching the target cells. A medical researcher can also prevent the cells from producing the chemical messengers.</span>