题目
题目

BIOL 1009 (001-006/050-055) Final Exam

单项选择题

Hummingbirds use their long beaks to drink nectar from flowers. In turn, they carry the pollen from flower to flower, assisting with the reproduction of the flowers. What relationship does this describe?

选项
A.parasitism.
B.mutualism.
C.competitive exclusion.
D.resource partitioning.
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标准答案
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思路分析
Consider the ecological interaction described: a hummingbird drinks nectar and, in the process, moves pollen between flowers, aiding plant reproduction. This is a classic example of a cooperative interaction where both species benefit. Option 1: parasitism. In parasitism, one organism b......Login to view full explanation

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