The unique feature(s) of a cnidarian nervous system is/are
A) vesicles with neurotransmitters located on both sides of the synapse.
B) nerve impulses are transmitted in both directions across a network of nerves.
C) cnidarian nerves lack any myelin surrounding the axons.
D) All of the choices are correct
E) None of the choices is correct
Correct Answer:
Verified
Q8: The _ stage is best adapted for
Q9: Digestion in hydra is
A)intracellular only.
B)extracellular only.
C)both extracellular
Q10: The term "cnidaria" is based on the
Q11: Which of the following is NOT a
Q12: The class of radiate animals with the
Q14: Nematocysts are expelled when the
A)osmotic pressure reaches
Q15: How does Hydra reproduce sexually?
A)Separate male polyps
Q16: The class Hydrozoa contains Hydra,Obelia,and
A)the Portuguese man-of-war.
B)aurelia.
C)the
Q17: Cnidarians are found most abundantly in which
Q18: Nematocysts are
A)widespread among the animal kingdom but
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