How does a snail move ?

How does a fish move in water?

How does the wind move the blades of a wind- mill ?

How does fish move in water? What do they do to obtain oxygen?

How does change in velocity of the moving micro-particle affect the wavelength of the particle ?

How do snails, seeds, bears, zooplanktons, fungi and bacteria adapt to conditions unfavourable for their survival ?

Snail is

How does the slimy substance help in movement of animals like earthworm and snail?

How does an earthworm move?