ENERGY TRANSFORMATION -

1. During photosynthesis radiant energy is converted into chemical energy by green plants.
2. In biluminiscent organisms .e.g glow worm, noctilluca & ceratium chemical energy is converted in to light.
3. Chemical energy is converted into electrical energy in nerve cells.
4. Light energy is converted into electrical energy in retina of eye.
5. Chemical energy is converted into mechanical energy in muscle, cillia & flagella.
6. Sound energy is converted into electrical energy in ear.
7. Chemical energy is converted into heat energy in homeothermy.