Definition: The number of individual organisms of a particular species in a group.
Term: Type term here
Interde
Hint

1. glaciers are melting

2. more water going into ocean (water's such as fresh waters, etc)

i think the answer would d

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.