Multiple Choice
Air passage into the trachea of most insects is controlled by the closing and opening of valves, which operate special openings called
A) spiracles.
B) ocelli.
C) ommatidia.
D) book lungs.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q1: Turbellarian flatworms have a distinct head.When compared
Q3: The phyla Bryozoa and Brachiopoda have which
Q3: How could a paleontologist distinguish between a
Q7: Select the mismatched pair of Phylum Mollusca
Q8: What is a simple way for determining
Q22: If a hiker picked up a mollusk
Q25: The lophophore of a brachiopod serves the
Q34: In many arthropods,body segments have become fused
Q42: What change would result for a land
Q59: How does a ribbon worm differ from