Speciation - 1

A group of similar organisms in the same population that interbreed with one another and produce fertile offspring.

• Population

• Zygote

• Species

• Community

Answer explanation

Definition of "species".

Place the following statements in order:

A. Evolution occurs on both separated populations.

B. Large population intermingling and reproducing

C. Barrier removed and populations no longer intermingle and mate.

D. A reproductive barrier separates the population into two.

• A, B, C, D

• C, B, D, A

• B, D, A, C

• D, A, C, B

Tags

NGSS.HS-LS4-2

A type of barrier to mating that involves mating at different TIMES.

• Temporal

• Geographical

• Behavioral

A type of barrier that involves having one population in one location and the other population in a different location.

• Temporal

• Geographical

• Behavioural

A type of reproductive barrier in which one population reacts to the actions of males doing something to capture the female's attention.

• Temporal

• Geographical

• Behavioral

Name the reproductive barrier:

Birds in an area attract mates by offering gifts to the females.  One group of birds offers food gifts, like worms.  Another group generally offers colored objects for decorating nests.

• Temporal

• Geographical

• Behavioral

Name the reproductive barrier:

Squirrels on the Kaibab plateau (top of canyon) cannot easily reach the valley floor where gray squirrels live. These two groups do not interbreed.

• Temporal

• Geographical

• Behavioral

Name the reproductive barrier:

Lunar moths use powerful pheromones to attract mates. Moths of a different species do not respond.

• Temporal

• Geographical

• Behavioral

When one population is no longer able to mate with the other group, they are said to be _____.

• Temporally Isolated

• Geographically Isolated

• Behaviorally Isolated

• Reproductively Isolated

Name the reproductive barrier:

The red-legged frog breeds from November to April.  The yellow-legged frog breeds from May-June.  Both live in the same area.

• Temporal

• Geographical

• Behavioral