One characteristic of systems is that there isn't any ____. Energy and materials go round and round in closed loops for millions of years, with the byproducts from one creature or systems becoming inputs or food for another.

Question

Quizplus · Accepted Answer

Systems do not have any waste as everything is recycled and reused in closed loops. Energy and materials move in cycles, with waste from one organism becoming food for another. This process continues for millions of years with no waste being generated in a system.

One Characteristic of Systems Is That There Isn't Any ____