Question

which of the following types of isolation is being described?
2 species of squirrels live on opposite sides of the grand canyon. after many years, their progeny can no longer breed with one another.

geographic

temporal

behavioral

mechanical

rewatch

Explanation:

Geographic isolation occurs when a physical barrier (like the Grand Canyon) separates populations, leading to reproductive isolation over time. Temporal is about time-based breeding differences, behavioral about mating behaviors, mechanical about anatomical incompatibility. Here, the canyon is the barrier.

Answer:

Geographic