Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question

Question

Which of these animals exhibits cephalization and segmentation?
Options
A Hydra
B Earthworm
Correct Answer
C Sponge
D Starfish
Correct Answer

Option B is the correct answer.

Detailed Explanation

Earthworms (Annelida) exhibit both cephalization (concentration of sensory structures at the anterior end) and metameric segmentation (division of body into repeating units).

Hint

This animal is a segmented worm with a distinct head region.

Question Info