Earth: A Living Planet
To care for our planet we must understand how it opperates. Ecology is the study of interactions of organisms with one another and with their physical surroundings. Scientists who study ecology are called ecologists. Earts is a biosphere, or a living globe. The biosphere is that part of the Earth in which life exists. Biospheres include all the areas of land, air, and water on the planet. The biosphere goes about eight kilometers above the Earth\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s surface to as far as eight kilometers below the surface of the ocean.
Ecosystems
Since the biosphere is way too large and complex for scientists to study as a whole, so they separate it into smaller units call ecosystems. There are two things that make up an ecosystem, the areas physical features (abiotic factors) and living organisms (biotic factors). The organisms living together in an ecosystem are called a community. Sometimes things in one ecosystem are affected from another......
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