(description and explanation)
2007-05-21 07:06:04 · 4 answers · asked by Babiiee Laura Jaynee =] 1 in Science & Mathematics ➔ Geography
Ecosystems are not self-sustaining. They require energy from the sun to survive; but otherwise, ecosystems contain or produce everything else need to sustain life-provided that the resources are not tampered with.
2007-05-21 07:17:16 · answer #1 · answered by Kevin k 7 · 0⤊ 0⤋
An ecosystem is a self-sustaining association of plants, animals, and the physical environment in which they live.
2007-05-23 04:30:38 · answer #2 · answered by Anonymous · 0⤊ 0⤋
An ecosystem is a self-sustaining association of plants, animals, and the physical environment in which they live.
2007-05-21 14:11:29 · answer #3 · answered by DanE 7 · 0⤊ 0⤋
An ecosystem is the biotic community and its abiotic environment functioning as a system.
2007-05-21 14:12:25 · answer #4 · answered by Amanda T 3 · 0⤊ 0⤋