<span>nerve cells need b 12 for proper functioning</span>
Osmosis is the net movement of water from a region of higher water potential to a region of lower water potential through a partially permeable membrane
They catch smaller insects in flight, and their large eyes allow them to spot any likely victim from a distance. ... The insect prey is caught by the dragonfly's legs, and spines on the legs prevent the victim from struggling free. The insect prey is usually eaten while the dragonfly continues flying.
