The currents of water (containing food) that pass through a sponge are maintained by
A) a water- vascular system.
B) ganglia.
C) the osculum.
D) collar cells.
E) medusae.
Correct Answer:
Verified
Q19: Damage to the embryonic ectoderm would show
Q20: The skin and nervous tissues develop from
Q21: Worms with a well- developed circulatory system
Q22: Insects are members of the group
A) Arachnida.
B)
Q23: Which of these groups is characterized by
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)
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