Streamlined bodies are common in many aquatic organisms: Dolphins, tuna, penguins, and sharks are all organisms that have streamlined bodies that reduce friction and drag. Body shape in each of these organisms would be considered an:
A)analogous character.
B)homologous character.
C)similar character.
D)natural character.

Question

Quizplus · Accepted Answer

Streamlined bodies in dolphins, tuna, penguins, and sharks are considered analogous characters because they are adaptations that evolved independently in each lineage to solve the same problem of reducing friction and drag in water, rather than being inherited from a common ancestor.

Streamlined Bodies Are Common in Many Aquatic Organisms: Dolphins, Tuna