D 1 pts
Question 7
Shania wanted to see if eating apples would help her do better on her classwork. The first
day, she didn't eat any apples. On day 2, she ate one apple; on day 3, she ate 2 apples; and
on day 4 she ate 3 apples. Each day she recorded the grades she got on her science work.
What is the independent variable?
the number of apples she ate
O no apples
Ograde she received in science class

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.