the basic necessity of an ecosystem enters in the form of what?
heat recycling trees food sunlight adding heat movement root growth
A B C D E F G H
Energy is a basic necessity of an ecosystem.
The basic necessity of an ecosystem enters in the form of sunlight
the basic necessity of an ecosystem enters in the form of what? (A) heat (B) recycling (C) trees (D) food (E) sunlight (F) adding heat (G) movement (H) root growth