Question

1. Water vascular system is found in
(b) Earthworm
(a) Hydra
(d) Ascaris
(c) Star fish​

Answer 1

Answer:

The water vascular system is found in Starfish.

Explanation:

Starfish is under phylum Echinodermata. Found in the sea, they have this water vascular system.

It is the system used in the sea for food and water transport. They have a fully grown system for water transport. This system is also used in case of locomotion.

Locomotion is achieved by a water pushing mechanism.

Echinodermata is the phylum whose larva gave rise to chordates. Their larva is more matured than themselves.

Answer 2

The water vascular system is found in Starfish.

Explanation:

• Starfish is under phylum Echinodermata. They are found in the sea, and have water vascular system.
• It is the system used in the sea for food and water transport.
• They have a fully grown system for water transport. T
• This water vascular system  is also used in case of locomotion.
• Locomotion is the process in which is achieved by a water pushing mechanism.
• Echinodermata is the phylum whose larva gave rise to chordates. Their larva is more matured than themselves.

• Echinodermata. is the water-vascular system, which works in the movement of tube feet.
• It is a characteristic feature of echinoderms.
• They have been found in  fossil forms.

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