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Question
The development of cnidarians exhibit .......... larva.
The development of cnidarians exhibit .......... larva.
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Solution
The correct option is B Planula
- A planula is the free-swimming, flattened, ciliated, bilaterally symmetric larval form of various cnidarian species. It is an egg-shaped ciliated body. Planula attaches itself to the hard substrata and transforms into adult Cnidaria by metamorphosis.
- Parenchymula and Amphiblastula are the larvae of certain sponges.
- Stomoblastula is the larva of Sycons.
Therefore, the correct answer is option C.
- A planula is the free-swimming, flattened, ciliated, bilaterally symmetric larval form of various cnidarian species. It is an egg-shaped ciliated body. Planula attaches itself to the hard substrata and transforms into adult Cnidaria by metamorphosis.
- Parenchymula and Amphiblastula are the larvae of certain sponges.
- Stomoblastula is the larva of Sycons.
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