Sea stars (starfish)are bilaterally symmetrical at one time in their life cycle. True or False?
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Q63: The only invertebrates capable of flight are
Q64: Parasitic tapeworms are members of the phylum:
A)Cnidaria.
B)Platyhelminthes.
C)Annelida.
D)Arthropoda.
E)Nematoda.
Q65: Flatworms have a coelom that is only
Q66: The leeches used by doctors to prevent
Q67: Animal cells lack a cell wall. True
Q69: Sponges are radially symmetrical. True or False?
Q70: A closed circulatory system is characteristic of:
A)flatworms.
B)annelids.
C)cnidarians.
D)sponges.
E)comb
Q71: Charles Darwin wrote that members of the
Q72: Animals obtain energy through photosynthesis. True or
Q73: A hemocoel is part of an open
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