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Question
Starfish belongs to
Starfish belongs to
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Solution
The correct option is D Asteroidea
- Starfish or sea stars are star-shaped echinoderms. They belong to the class Asteroidea. True starfish are classified in the Asteroidea, a group of echinoderms. Unlike the superficially similar brittle stars (Ophiuroidea), true starfish have no sharp demarcation between arms and the central body, and they move using tube feet rather than wriggling movements of the whole arms.
- Elasmobranchii is a subclass of Chondrichthyes or cartilaginous fish, that includes the sharks and the rays, skates, and sawfish.
- The infra-order Cetacea includes marine mammals commonly known as whales, dolphins, and porpoises.
- Teleostomi is a clade of jawed vertebrates that includes the tetrapods, bony fish, and the wholly extinct acanthodian fish.
- Starfish or sea stars are star-shaped echinoderms. They belong to the class Asteroidea. True starfish are classified in the Asteroidea, a group of echinoderms. Unlike the superficially similar brittle stars (Ophiuroidea), true starfish have no sharp demarcation between arms and the central body, and they move using tube feet rather than wriggling movements of the whole arms.
- Elasmobranchii is a subclass of Chondrichthyes or cartilaginous fish, that includes the sharks and the rays, skates, and sawfish.
- The infra-order Cetacea includes marine mammals commonly known as whales, dolphins, and porpoises.
- Teleostomi is a clade of jawed vertebrates that includes the tetrapods, bony fish, and the wholly extinct acanthodian fish.
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