Natural Selection Process Quiz

Speciation is the evolutionary process by which populations evolve to become distinct ______.

Speciation occurs when a group within a species separates from other members of its ______ and develops its unique characteristics.

Darwin believed that new ______ arise only very gradually, over immensely long times.

Allopatric speciation occurs in ______ isolated populations.

Reproductive ______ happens when two groups of individuals evolved from the same parental population do not interbreed.

Peripatric speciation occurs when a small subset of a large population becomes isolated at the ______ of the original population's range.

Over generations, the small group in peripatric speciation becomes reproductively ______ from the original community.

The founder effect is another term for ______ speciation.

As an interbreeding species population becomes better adapted to its ecological ______, its genetic heritage gives it the potential to change further as circumstances dictate.

Speciation maintains ______ diversity.