Question

You are a biologist on a trip to an island in the South Pacific. While there, you are allowed to collect DNA samples from a local species of tortoise that resembles a species seen on a nearby continent. If your DNA analysis also indicates the two species are highly related, you might conclude that this was an example of __________ through ________.a. sympatric speciation; vicariance

b. allopatric speciation; vicariance
c. sympatric speciation; dispersal
d. allopatric speciation; dispersal

Answer 1

B. Allopatric speciation; vicariance.

Step-by-step explanation:

Allopatric speciation is a model about the evolutionary process of the species around the world. The characteristic of this model is that it talks about populations of the same species that become isolated one from each other like in the example of the question given.

Both turtles have the same ancestor but as one is on an island it evolves differently from the turtle that remains on the continent. Nevertheless, as the turtle from the island was isolated from the other on the continent they both evolve differently with almost the same DNA.

I hope this answer helps you.