Question

question 8
1 pts
multiple speciation events originating from a single species is called _.
adaptive radiation
vicariance
dispersal
isolation

Explanation:

• Adaptive radiation: It is the process where a single ancestral species diversifies into multiple new species, each adapted to different ecological niches. For example, Darwin's finches on the Galapagos Islands.
• Vicariance: Refers to the splitting of a population due to a physical barrier (like a mountain range forming), not the diversification from a single species as in the question.
• Dispersal: Is the movement of a species to a new area, not the origin of multiple species from one.
• Isolation: Can be a factor in speciation (like reproductive isolation), but it does not specifically describe multiple speciation events from a single species.

Answer:

A. adaptive radiation