The wolf populations in Yellowstone National Park and Isle R…

The wolf populations in Yellowstone National Park and Isle Royale differ in their levels of gene flow. Yellowstone wolves occasionally receive immigrants from surrounding regions, while Isle Royale wolves are largely isolated on the island with very few new individuals joining the population. Which of the following statements best describes the difference between these populations? (2 points)

Two species of birds overlap in a forest valley. Occasionall…

Two species of birds overlap in a forest valley. Occasionally, they mate and produce hybrid chicks. Over generations, scientists notice that hybrids are weak and rarely survive, and the two parent species continue to remain distinct. Which hybrid zone outcome does this represent? (3 points)