Evolution

Natural Selection

Extinction

Artifical Selection

a) natural selection

b) gravity

c) heredity

d) string theory

Light moths were easy to see against sooty trees and were eaten

Light moths were killed by soot

The birds that ate the dark moths were killed by soot

Dark moths were produced by industrial processes

A change in an environment can result in the evolution of species living there

Evolution occurs so slowly that is it not possible to determine that it has happened in less than a million years

The environment near these cities has always favored dark colored moths

Because they are more likely to survive and reproduce.

Because they come from dominant alleles.

Because they come from recessive alleles.

Because the trait is an acquired phenotype.

the best adapted

the fastest

the strongest

the most domesticated (tamed)

a mutation

an adaptation

evolution

natural selection

Dark moth

Light moth

Both will be equally successful

Neither will be successful

Nature

A human

Mr. Holt

The illuminati

DNA

tRNA

genotype

phenotype