Multiple Choice
Why does the parasitic flatworm (Leucochloridium paradoxum) of the amber snail (Succinea putris) alter the behaviour of the snail so that it moves to the top of a plant stem?
A) The flatworm needs the snail to move off the ground to avoid predation.
B) The flatworm needs the snail to be eaten by a bird to complete its life cycle.
C) The conditions at the top of plant stems are better for flatworms.
D) There is more food for the snail at the top of plant stems than on the ground.
Correct Answer:

Verified
Correct Answer:
Verified
Q21: In S-I-R models, which of the following
Q24: In the disease malaria, the Anopheles mosquito
Q26: Which of the following characterizes the rate
Q32: While you are conducting a study of
Q33: In S-I-R models, the variable g represents<br>A)
Q37: Describe two ways a parasite can decrease
Q42: When a new disease is discovered, it
Q43: Vaccinations slow or stop the spread of
Q57: In S-I-R models, which of the following
Q61: Endoparasitic roundworms and flatworms that live in