Survival

Reproduction

Death

Evolution

Natural disasters killing most of the members of a population

Individuals moving into and out of the population

Selective mating

Small changes because of the environment

genetic drift

mutation

speciation

migration

death of the organism in which they develop

genetic variation needed for a population to evolve

benefits for the individual, not for the population

Hardey-Weinberg equilibrium within a population

the best adapted

the fastest

the strongest

the most domesticated (tamed)