Complex food molecules that are consumed by organisms must be broken down in order to be used by cells to support growth or release energy. True
False

True

Explanation:

The complex molecules are broken down by the digestive system. If the molecules were not to be broken down they would block the system

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .