Question

explain the principles of movement

Answer 1

movement is necessary for life.
flying of birds, jumping of frogs and running of a person is also a movement.
when we sleep our body does some movement by its own in the body like our heart pumping blood.
movement takes place in all living beings. in plants the movement that takes place is molecular so it cannot be seen completely but it can seen later in the form of its growth.

Answer 2

movement is the important in life 
like flying bird,etc