Speciation

1. A flash flood carried a raft of Amazon ants away from their original population. There is enough distance between the two groups, that they will never meet in nature again. What type of reproductive barrier is this?

• behavioral isolation

• temporal isolation

• gametic isolation

• geographic isolation

Speciation occurs when there is a barrier in reproduction

• True

• False

New species emerge from speciation

• True

• False

Some female peacocks prefer males with large, colorful tales while other female peacocks prefer males with no tail at all. Females are beginning to only mate with the type of males with the tail they prefer. What type of reproductive barrier is this?

• behavioral isolation

• hybrid sterility

• temporal isolation

• mechanical isolation

The term for the formation of new and distinct species over the course of evolution is...

• speciation

• biological species concept

• reproductive barrier

• natural selection

A species is group of organisms that can mate with each other and produce fertile offspring.

• True

• False

Sympatric speciation and Allopatric speciation are the two types of speciation

• True

• false

A new river forms and splits two populations, causing ______________ speciation

• Sympatric

• Allopatric

• Extreme

• Convergent

Orcas occur in the same habitat but some are avoiding each other and do not interbreed. They have different diets, vocal behavior, and social structures. What type of speciation is this?

• Allopatric

• Sympatric

• Complex

• Covergent

when the organism develops different courtship rituals which do not attract main population this is a part of sympatric speciation.

• True

• False