According to Donald Perry, how do rainforest birds interact with the Norantea sessilis vine?
a. Birds nest within the shelter of the thorny vine, which repels predators.
b. Birds feed on the fruits of the vine, distributing the seeds around the forest in their droppings.
c. Birds appear to be overfeeding on the vine's succulent fruits, probably limiting the plant's chances of long-term
survival.
d. Birds that feed on the nectar of the flowers inadvertently transfer pollen from one vine to another on their feet.
e. Birds that feed on the nectar of the flowers inadvertently transfer pollen from one vine to another on their
beaks.
ANSWER: d
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