Which are the most primitive multi-cellular animals?

Sponges

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Sea anemones

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Soft corals

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Starfishes

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Solution

The correct option is A Sponges
Phylum Porifera is the simplest and is the most primitive of the multicellular animals.
So, the correct option is 'Sponges'.

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Which are the most primitive multi-cellular animals?

The correct option is A SpongesPhylum Porifera is the simplest and is the most primitive of the multicellular animals.So, the correct option is 'Sponges'.

The correct option is A Sponges
Phylum Porifera is the simplest and is the most primitive of the multicellular animals.
So, the correct option is 'Sponges'.