Interactions of Life.

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Interactions of Life

What is a biosphere? A biosphere is the part of Earth that supports life. Consists of: top portion of the Earth’s crust all waters that cover the Earth’s surface atmosphere that surrounds Earth Biosphere Egg – developed by Nasa Perfectly ecologically balanced mix of plant, algae and animal life surviving with daily input of light only.

Ecology: study of interactions that occur among organisms and their environment.

An ecosystem consists of: All the organisms living in an area All of the nonliving features in their environment ALL biotic factors ALL abiotic factors

Organism Population Community Ecosystem (same kind of organism) Community (populations of several organisms) Ecosystem All biotic and abiotic factors

What is a habitat? The place in which an organism lives

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