Over Time,the Same Bones in Different Vertebrates Were Put to Different

question 52

Multiple Choice

Over time,the same bones in different vertebrates were put to different uses.This falls under the category of:

• A)heterologous structures
• B)vestigial organs
• C)analogous structures
• D)homologous structures

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Definitions:

Rostral

In anatomy, referring to a position toward the front end of the body in quadrupeds or the bottom of the head in humans.

Caudal

At or near the rear or the tail end of an organism.

CNS

The central nervous system, composed of the brain and spinal cord, which processes and sends out neural signals.

PNS

The Peripheral Nervous System, which consists of the nerves and ganglia outside of the brain and spinal cord.