Multiple choice

Closely related, morphologically similar, reproductively isolated sympatric populations are designated as

  1. clones

  2. clines

  3. demes

  4. sibling species

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sibling species are populations that are morphologically very similar or identical but are reproductively isolated from each other. They often exist in the same geographic area (sympatric).