Answer:
D. geographic isolation.
Explanation:
As the Grand Canyon formed, it became a physical barrier to the mixing of squirrels from its northern and southern sides. Each squirrel population was confined to a single side. This type of separation is referred to as geographic isolation.
If they’re doing it to kill themselves, they die, man.
Answer:
You would look for the virus in other places
Explanation:
A. cuz it adds genetic diversity
