Dear Student,
1. Water Pollinated Flower -
a) A large number of Pollens are produced because many pollens are lost in the flow of Water
b) The sigma is large and feathery to catch the Pollens
c) Pollen are needle like to get stick to the stigma
d) The flowers need not to be colourful
2. Wind Pollinated Flower -
a) Pollens should be light weight and small amount of nectar
b) Most flower have no Petals.
c) Plans are generally unisexual
d) Stamens and Stigma are exposed to air currents
Regards!