Biology Unit 3 Vocabulary Flashcard

Front

A species adapting to a new environment becomes a new species.

Back

speciation

Front

Those individuals that survive better than the others will pass on their genes to the offspring

Back

natural selection

Front

The total number of genes of every individual in an interbreeding population

Back

gene pool

Front

Random change of allele frequency when individuals move from one population to another

Back

genetic flow

Front

Random change of allele frequency within one population

Back

genetic drift

Front

An isolation occurs between two populations of a species and they end up evolving differently into two new species.

Back

biogeography/geographic isolation

Front

Slow and steady change over time

Back

gradualism

Front

Periods of rapid speciation followed by long periods of stasis - no change

Back

punctuated equilibrium

Front

One species evolved into two different species

Back

divergent evolution

Front

A measure of how able an organism is to survive in a given environment.

Back

fitness