Levels of Organization

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A group of individuals that belong to the same species that live in the same area.

A specialized part of a cell that has a specific function.

When two or more atoms form a chemical bond with each other.

Smallest unit of life

A group of ecosystems that share similar climates and typical organisms.

Part of earth in which life exists including land, water, and atmosphere.

Different population that live together in the same area.

All the organisms (biotic) that live in a place, together with their physical environment (nonliving factors-abiotic).