Question

Tracheal system present in ​

Answer 1

Answer:

• Tracheae are to be found only in members of two invertebrate phyla, the Arthropoda and the Onychophora, although similar respiratory tubules do occur in a few molluscs and crustaceans.
• Tracheal lungs are found in some arachnids and in scutigeromorph centipedes.

Explanation:

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Answer 2

Answer:

Animals..............MAYBEE

Explanation:

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