Flatworms lack
A) a reproductive system.
B) a respiratory system.
C) a digestive cavity.
D) a nervous system.
E) the ability to move.
Correct Answer:
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Q25: Which cnidarian is the basis of many
Q26: A cnidarian that builds a calcium carbonate
Q27: A(n) provides support and protection to arthropods.
A)
Q28: are characterized by having a pseudocoelom.
A) Cnidarians
B)
Q29: Giant squids are classified as
A) arthropods.
B) mollusks.
C)
Q31: Which invertebrate animal group is characterized by
Q32: What causes schistosomiasis, a devastating disease that
Q33: Which of these groups is characterized by
Q34: The simplest multicellular animals that have only
Q35: The phylum Nematoda includes which of the
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