Which one of the following is a matching set of phylum and its three examples?

Cnidaria - Bonellia, Physalia, Aurelia

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Platyhelminthes - Planaria, Ascaris, Taenia

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Mollusca - Loligo, Teredo, Octopus

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Porifera - Spongilla, Euplectella, Pennatula

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Solution

The correct option is C Mollusca - Loligo, Teredo, Octopus
Loligo (squid), Teredo (shipworm) and Octopus are members of the phylum Mollusca. Physalia (portugese man of war) and Aurelia (jellyfish) are cnidarians, while Bonellia is a marine worm, considered to be a close relative of annelids. Planaria and Taenia are flatworms (platyhelminths), while Ascaris (roundworm) belongs to Phylum Aschelminthes (Nematoda). Spongilla and Euplectella are sponges (poriferans), and Pennatula (sea pen) is a cnidarian.

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