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A particular species of salamander was observed in California Some groups of salamanders moved to the east, and a few others moved to

the west Over time, the two evolved and were no longer able to mate This incompatibility was caused by

salamanders developed different reproductive behaviors, and the species were

NONI

1. Allopatric speciation

2. Behaviorally isolated

Explanation:

Allopatric speciation occurs when organisms of the same species are separated or "isolated" geographically which prevents them from breeding. This separation can cause allele frequencies to change between the separated populations, creating new species.

When the salamanders that developed different reproductive behaviors, the species were behaviorally isolated. This means that they no longer can breed or mate. Like rituals and behaviors no longer attract each other and thus they do not mate.

allopatric speciation and behavioral isolated