The document lists and defines 12 key vocabulary words for the Living Environment subject: metabolism, reproduction, regulation, synthesis, assimilation, respiration, growth, excretion, nutrition, transport, metabolism refers to all the chemical activities that sustain life, reproduction is an organism's ability to create new organisms, and regulation is the control and coordination of all life functions.

1. MR. R. SARGENT The most important vocabulary words to remember for Living Environment