Question

which special organs are found only in insects and not in any other group of animals

Answer 1

Answer:

internal chamber

Explanation:

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Answer 2

Antenna are the special organs which are only found in insects (arthropods) but not in any other group of animals.

- These antenna are two thin wire like external attachments on the head of the insects.

- These antenna are used for sensing works in the insects which makes these antenna the sensory organs the insects.

- Almost no other groups of animals have this kind of external antenna like organs for sensing purposes.