Question

A small number of lizards from a mainland population have been deposited on four isolated islands because of the effects of a rare strong storm. Which of the following best predicts the outcome of these lizards reproducing for many generations on the islands?
a. Courtship rituals specific to each island lizard species prevent the lizards from interbreeding.
b. Speciation results from bottleneck events that happened before the ancestral species reached the islands.
c. The different species that currently exist are the result of hybridization between lizards from different islands.
d. The isolation prevents gene flow; thus, the lizards on different islands experience prezygotic isolation.

Answer 1

The isolation prevents gene flow; thus, the lizards on different islands experience prezygotic isolation.

What is reproduction isolation?

Reproduction isolation is the inability of related species to breed due to geographical or genetic differences

Prezygotic isolation is a type of isolation that occurs before the formation of a zygote can take place. Examples are behavioral and temporal isolation.

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