A(n) _________ provides support and protection to arthropods.
A) epidermis
B) cytoskeleton
C) hydrostatic skeleton
D) shell
E) exoskeleton
Correct Answer:
Verified
Q29: Sponges have
A) an exoskeleton.
B) a gastrovascular cavity.
C)
Q30: Which invertebrate animal group is characterized by
Q31: Ecdysozoans
A) have a body cavity that forms
Q32: A cnidarian that builds a calcium carbonate
Q33: Which cnidarian is the basis of many
Q35: An animal such as a grasshopper can
Q36: Worms with a well-developed circulatory system (including
Q37: The phylum Nematoda includes which of the
Q38: _are characterized by having a pseudocoelom.
A) Chordates
B)
Q39: Flatworms lack
A) a digestive cavity.
B) a respiratory
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