Behavioral responses in complex organisms requires coordination and communication between CELLS, ORGANS, ORGAN SYSTEMS AND THE WHOLE ORGANISMS. Behaviour refers to the kind of response that an organism can make to an internal stimulus or an external stimulus. Behavioural responses in complex organisms requires all the levels of organizations that make up the system.
A feather floating through the air has more kinetic energy because the rock is not in motion its on the ground the feather is moving in the air at a pretty fast rate of speed.
