When applied topically, cayenne pepper benefits the skin, too. It alleviates pain caused by shingles, osteoarthritis, rheumatoid arthritis and even as part of a natural remedy for fibromyalgia. The fruit of the capsicum plant contains a chemical called capsaicin.
Zoologist Ernst Mayr classified the mechanisms of reproductive isolation in two broad categories: those that act before fertilization (or before mating in the case of animals, which are called pre-copulatory) and those that act after. These have also been termed pre-zygotic and post-zygotic mechanisms.ny of the factors that prevent potentially fertile individuals from meeting will reproductively isolate the members of distinct species. The types of barriers that can cause this isolation include: different habitats, physical barriers, and a difference in the time of sexual maturity or flowering.
Best Answer: Temporal isolation is a prezygotic barrier in which the two species reproduce at different times of the day, season, or year.Wood and leopard frogs are an example of two similar species whose ranges overlap.Habitat isolation is a prezygotic barrier in which two species whose ranges overlap live in different habitats. As a result, potential mates from the two species do not encounter one another.hree other prezygotic barriers are behavioral isolation, mechanical isolation, and gametic isolation. In behavioral isolation, reproduction between similar species is prevented because each group possesses its own characteristic courtship behaviors.