A) there is no way for change to occur between generations.
B) the one trait that exists is always advantageous, and change is not necessary.
C) there is no competition among individuals.
D) traits are never inherited by offspring.

A) Both small and large individuals survive, but medium individuals die off.
B) Only large individuals survive, thus stabilizing the species in the next generation.
C) The proportion of small and large individuals remains the same.
D) Large and small individuals are selected against to a similar degree.

A) The total resources in a given environment tends to expand as the number of individuals using those resources increases.
B) Only noninherited variation has a long-term impact on evolutionary change.
C) Regardless of variation in parents, genetic mixing makes offspring very similar to each other across a species.
D) Individuals vary in ways that sometimes affect survival or reproduction.