Answer:
(c) Plants use two abiotic (wind and
water)and one biotic (animals) agent to achieve pollination. Majority of plants
use biotic agents for pollination. Pollination by wind is more common amongst
abiotic pollination. Wind pollination requires the light and non-sticky pollen
grains so that, they can be transported in wind currents.
They often possess well-exposed stamens
(so that the pollens are easily dispersed into wind currents) and large
often-feathery stigma to easily trap air-borne pollen grains. Wind pollination
is common in grasses.
These types of pollens are not
pollinated by means of other three options
(i) Pollination by water
(hydrophily) is quite rare in flowering plants but accuss inaquatic plants.
(ii) Zoophihy is pollination
through the agency of animals.
(iii) Entomophily is the most
common type of zoophily through the agency of animals.
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