Kaibab and Abert's squirrels live on opposite sides of the Grand Canyon. Though closely related, they do not share all of the same characteristics.
How did these differences come about? Make a list with a partner to explainyour reasoning

What is a population? a. all the members of the same species living in the same ecosystem at the same time b. the number of a species living in the same ecosystem over a period of time c. the total number of organisms living in an ecosystem at a point in time d. all the members of a food web in the same ecosystem