Which of the following structures protects the delicate gills of fish?
A) an operculum
B) parabronchi
C) tracheoles
D) spiracles
Correct Answer:
Verified
Q2: The lungs of reptiles are better developed
Q3: Why does a typical fish die quickly
Q4: All of the following are stages in
Q5: Which of these animals can have gills
Q6: Insect respiratory systems contain all of these
Q8: Aquatic animals, in general, face more of
Q9: _ is a waste product of cellular
Q10: All respiratory systems have all of the
Q11: Sea jellies lack a circulatory system because:
A)they
Q12: Animals need a respiratory system because each
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