All arthropods share
A) A calcified internal skeleton
B) A calcified external skeleton
C) An external skeleton composed of chitin
D) A strictly marine habitat
Correct Answer:
Verified
Q12: Torsion
A) Is found in mollusks that lack
Q13: Bivalve mollusks
A) Have a gill that is
Q14: The radula
A) Is found in gastropods and
Q15: Which of the following is not a
Q16: Which of the following have a complete
Q18: Trilobites belong to
A) The Crustacea
B) The Mollusca
C)
Q19: Which of the following are not arthropods?
A)
Q20: Brachiopods, bryozoans, and phoronids share the following:
A)
Q21: Echinoderms differ from mollusks in their
A) Dominant
Q22: Some echinoderms defend themselves with
A) Tube feet
B)
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