The development of bilateral symmetry in invertebrates has particularly influenced the evolution of a more complex:
A) Digestive system.
B) Reproductive system.
C) Skeleton.
D) Mouth.
E) Nervous system.
Correct Answer:
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Q2: Most cnidarians are specialized as:
A)Filter feeders.
B)Parasites.
C)Carnivores.
D)Plant-feeders.
E)Feeders of
Q3: In a bilaterally symmetrical animal,which of the
Q4: Flatworms are characterized by having:
A)Radial symmetry.
B)A central
Q5: A polychaete worm is:
A)A Platyhelminthes.
B)A Nematode.
C)A Cnidarian.
D)An
Q6: All cnidarians share all of these features
Q8: One group of parasites of fishes,seabirds,and other
Q9: All sponges share only one of these
Q10: An example of an anthozoan is:
A)Portuguese-Man-of War.
B)Colonial
Q11: Comb jellies are:
A)Bilaterally symmetrical.
B)Similar to a cnidarian
Q12: The larval stage of an animal is
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