When species are kept separate by preventing the formation of hybrid zygotes, the mechanism that keeps the species separate is known as the Pre-zygotic isolating mechanism.
What is the difference between Prezygotic and Postzygotic?
We can distinguish between prezygotic (occurring before the fertilized egg) and post-zygotic organisms thanks to the fertilization of the egg, which results in a zygote (after the fertilized egg).
There are five types of Pre-zygotic,
- Spatial isolation,
- Temporal isolation,
- Mechanical isolation,
- Gametic isolation
- Behavioural isolation is a few examples of prezygotic isolating processes that will be explored in the paragraph that follows.
Every single one of these would stop the gametes from ever interacting. For instance, in spatial isolation, the organisms are physically separated, preventing them from ever meeting to mate. This is prezygotic because the gametes are still separate, preventing the formation of the zygote.
Hence, the correct answer is Pre-zygotic.
Learn more about Fertilization,
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