Question

Select odd one with respect to Porifera

• A. Spongilla
• B. Euplectella
• C. Sycon
• D. Sea-anemone

Answer 1

The correct option is D

Sea-anemone

The correct option is D

Explanation of the correct option :

1. Sea-anemone is a marine, sessile predator belonging to Phylum Cnidaria.
2. Their body is cylindrical and bears many tentacles around the central mouth.
3. They are simple polyp-like bodies with a hard exoskeleton.
4. They have an open circular mouth and a foot.

Explanation of the incorrect option :

Option A :

Spongilla is a freshwater sponge that belongs to Phylum- Porifera.

Option B :

Euplectella is a type of marine sponge that also belongs to Phylum- Porifera.

Option C :

Sycon is the calcareous sponges that belong to Phylum- Porifera.

Final answer: Sea-anemone is the odd one out with respect to Porifera