Which animal lacks symmetry, has no embryonic tissues, and has intracellular digestion?
A) a cnidarian
B) a flatworm
C) a sponge
D) an annelid
E) a planaria
Correct Answer:
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Q7: Which animals are radially symmetrical?
A) annelids
B) arthropods
C)
Q8: The colonial theory of animal origins states
Q9: Which is true for the cells of
Q10: Sponges are _.
A) herbivores
B) filter feeders
C) scavengers
D)
Q11: Which is a characteristic of all animals?
A)
Q13: Most animal lineages evolved during the _
Q14: Which animal has radial symmetry, a gastrovascular
Q15: Snails are examples of _.
A) cephalopods
B) pseudopods
C)
Q16: Which animal lacks a "true" coelom?
A) flatworms
Q17: Which is the most recently evolved embryonic
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