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Unit 1: The Living World: Ecosystems

AP Environmental Science — Note Packet

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Key Terms

Ecosystem

An ultimate team where all the players—_______ and non-living—are constantly interacting and influencing each other.

Biotic factors

All the _______ parts of an ecosystem, such as plants, animals, fungi, and bacteria.

Abiotic factors

The non-living _______ and physical parts of the environment, like sunlight, water, and soil.

Niche

An organism's _______ in the ecosystem, its 'job description,' including what it eats and how it interacts.

Biome

Earth's major ecological communities, characterized by their dominant plant life and _______.

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