"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:
Once you begin swallowing, the process becomes automatic. Your brain signals the muscles of the esophagus and peristalsis begins. Lower esophageal sphincter. When food reaches the end of your esophagus, a ringlike muscle—called the lower esophageal sphincter —relaxes and lets food pass into your stomach.
Answer:
Mycoplasma genitalium
Explanation:
a parasitic bacterium which lives in the primate bladder, waste disposal organs, genital, and respiratory tracts, is thought to be the smallest known organism capable of independent growth and reproduction
Answer: It must be based on scientific observations that can be repeated in a controlled setting.
Explanation:
A scientific claim is the claim which includes statement(s) which is verified by the observations obtain after multiple experimental trials or procedures in a controlled experiment. A scientific claim can only be considered as wrong when a valid argument or prove satisfies the fact why it is wrong.
