Multiple Choice
Which represents the correct order of structures through which air travels to reach the cells of insects?
A) Tracheae; tracheoles; air capillaries; spiracles
B) Spiracles; tracheae; tracheoles; air capillaries
C) Tracheoles; air capillaries; tracheae; spiracles
D) Spiracles; air capillaries; tracheoles; tracheae
E) Air capillaries; tracheoles; tracheae; spiracles
Correct Answer:
Verified
Correct Answer:
Verified
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