which of the following is not an example of prezygotic isolation? course hero

Which of the following is not an example of Prezygotic isolation?

Two species of insects produce infertile offspring is not an example of a prezygotic barrier.

Which of the following is an example of Prezygotic isolation?

Prezygotic barriers: Anything that prevents mating and fertilization is a prezygotic mechanism. Habitat isolation, behavioral isolation, temporal isolation, mechanical isolation and gametic isolation are all examples of prezygotic isolating mechanisms.Sep 23, 2013

Which is not a Prezygotic isolation mechanism?

The correct option is c. The hybrid sterility is a mechanism of postzygotic isolation.

Which of the following are examples of postzygotic barriers?

Examples of these barriers include differences in habitats, mating rituals and genitals. Postzygotic barriers occur after fertilization and result in reduced zygote viability or offspring with lower fitness.Jan 5, 2022

What are the 4 types of Prezygotic isolation?

Forms of prezygotic isolation include spatial, behavioral, mechanical and temporal isolation. Postzygotic isolation occurs after members of two different species have mated and produced a zygote. The offspring of such a mating is called a hybrid.

What are the 5 Prezygotic isolating mechanisms?

It looks like there are five major types of prezygotic barriers to reproduction: spatial isolation, temporal isolation, mechanical isolation, gametic isolation and behavioral isolation.Aug 18, 2021

What are the different pre zygotic isolation mechanisms?

Prezygotic isolation prevents the fertilization of eggs while postzygotic isolation prevents the formation of fertile offspring. Prezygotic mechanisms include habitat isolation, mating seasons, "mechanical" isolation, gamete isolation and behavioral isolation.

Which of the following is an example of a post zygotic isolating mechanism?

So, the correct answer is 'Hybrid sterility'

What are the different post zygotic isolating mechanisms?

Solution. A number of isolating mechanisms are operated in nature and therefore divergence and speciation may occur. The isolating mechanisms are of two types namely, geographical isolation and reproductive isolation.

What are examples of reproductive isolation?

An example of reproductive isolation due to differences in the mating season are found in the toad species Bufo americanus and Bufo fowleri. The members of these species can be successfully crossed in the laboratory producing healthy, fertile hybrids.

What are Prezygotic and postzygotic barriers?

prezygotic barrier: a mechanism that blocks reproduction from taking place by preventing fertilization. postzygotic barrier: a mechanism that blocks reproduction after fertilization and zygote formation.Aug 14, 2020

What is behavioral isolation example?

Examples of Behavioral Isolation For example, male fireflies of a variety of species signal to their female counterparts by flashing their lights in specific patterns. Females will only respond to the signals flashed by their own species, preventing them from mating with other closely related firefly species.Sep 7, 2021