The fecundity effects described here are
likely to have the most profound impact on plant species
with all four of the following characteristics: a short life
span, a narrow geographic range, an incapacity for vege-
(50) tative propagation, and a dependence on a small number
of insect-pollinator species.
6. It can be inferred from the passage that which of the
following plant species would be LEAST likely to
experience a decrease in fecundity as a result of the
spraying of a pesticide not directly toxic to plants? C?
(A) A flowering tree pollinated by only a few insect
species
(B) A kind of insect-pollinated vine producing few
flowers
(C) A wind-pollinated flowering tree that is short-lived
(D) A flowering shrub pollinated by a large number of
insect species
(E) A type of wildflower typically pollinated by larger
insects.
觉得有几个混淆答案,如D E, 大家是怎么看的? |