True or false? organisms break down and build up materials in a process called homeostasis.

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.