Ecosystem and Biome Concepts

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Biotic factors

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The living and once living parts of an ecosystem including all of the plants and animals.

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Abiotic factors

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The non living parts of the ecosystem including air, water, rocks, sand, light, and temperature.

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Biome

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A large region characterized by a specific type of climate and certain types of plants and animal communities.

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Ecosystem

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All of the organisms living in an area together with their physical environment.

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Carrying capacity

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Maximum population size an environment can support for a long period of time.

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Limiting factor

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A factor that limits population growth such as water, air, food.

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Biodiversity

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The variety of species of plants and animals in an ecosystem.

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Estuary

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Aquatic ecosystem in which freshwater from rivers mixes with salt water from oceans forming a nutrient trap.

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Desert

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Biome that receives very little rainfall per year and has sparse vegetation.

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Grasslands

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Known as the 'breadbasket of the world'; characterized by grasses and grass-like vegetation.