Animal Kingdom Question 372
Question: Radial symmetry is not found in
[AMU 2005]
Options:
A) Hydra
B) Starfish
C) Sponge
D) Spider
Show Answer
Answer:
Correct Answer: D
Solution:
Radial symmetry refers to the arrangement of parts of organisms around a single axis that can be divided into equal halves across any plane.
This type of symmetry is seen in some sessile aquatic animals.
Animals of the phyla Cnidaria (Hydra) and Echinodermata (starfish) show radial type of symmetry.
Spider belongs to phylum Arthropoda which shows bilateral symmetry.
BETA
