Use the drop-down menus to complete the sentences. Tetra fish that live in caves are blind and have small eyes that do not work. This is an example of a . A harbour seal’s flipper and a human hand have a very similar structure, but function differently. This is an example of a .
Answer
Selection 1:
vestigial structure
Selection 2:
homologous structure

Question

Use the drop-down menus to complete the sentences. Tetra fish that live in caves are blind and have small eyes that do not work. This is an example of a . A harbour seal’s flipper and a human hand have a very similar structure, but function differently. This is an example of a .

Answer

Selection 1:

vestigial structure

Selection 2:

homologous structure

Revolt · Accepted Answer

vestigial structure; Selection 1: vestigial structure; Selection 2: homologous structure