Question

Variety in genotypes across a population describes

extinctions.
species diversity.
a population.
genetic diversity.

Answer 1

@JackofallTradez

Answer 2

A genotype is the genetic makeup of a cell, an organism, or an individual usually with reference to a specific characteristic under consideration. So, a variety of genotypes would refer to a genetic diversity.

Answer 3

d? @JackofallTradez

Answer 4

Yep, D is correct ^_^