Multiple Choice Questions

Which group of animals are named because of their spiny skin and have a peculiar water driven tube s...........

General Studies (CGL) General Science

Which group of animals are named because of their spiny skin and have a peculiar water-driven tube system that they use for moving around?

This questions was previously asked in

SSC CGL Tier II Paper 1 (03.03.2023)

Hemichordata

Aschelminthes

Echinodermata

Mollusca

- Echinodermata:

- Known for their spiny skin, like in starfish and sea urchins.

- They have a unique water vascular system for movement.

- This is the correct answer.

- Hemichordata:

- Marine organisms with features similar to both echinoderms and chordates.

- Not known for spiny skin or a water vascular system.

- Aschelminthes:

- A diverse group including worms like nematodes.

- Lack spiny skin and a water-driven tube system.

- Mollusca:

- Includes soft-bodied animals like snails and octopuses.

- Do not have spiny skin or a water vascular system.

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