One way is to see if it responds to stimulants or if it reproduces
Breads and cheese's
Hope this helps:)
-Warning2
A lion, coyote, and others like hawks and eagles
They are among the first
colonizers of an environment. This way they break down rocks and make nutrients available for other plants. They help in retention
of water in a habitat and also shelter many microorganisms.
They also decompose organic matter hence play an
important role in the cycling of nutrient in the environment.
-a coastal ocean system at a temperature latitude is going to be you're answer. Really hope that this helps you.