Question

17 multiple choice 1 point which of the following best explains allopatric speciation? species evolve in the same environment with no isolation populations become geographically separated and evolve independently hybrid species arise within one population a mutation causes instant reproductive isolation previous

Explanation:

Allopatric speciation is a process where a population is divided by a geographical barrier. This separation leads to the two groups evolving independently due to different environmental pressures, genetic drift, and mutations. Over time, they become so different that they can no longer interbreed, resulting in new species.

• The first option is incorrect because allopatric speciation requires geographical isolation.
• The third option describes sympatric speciation (where new species arise within the same geographical area), not allopatric.
• The fourth option is more in line with instantaneous speciation (like polyploidy in plants) rather than the gradual process of allopatric speciation.

Answer:

Populations become geographically separated and evolve independently.