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The place in which an organism lives.


Substances that are reuired by plants and animals for energy, growth, development, repair, or maintenance.


A chemical reaction that converts solar energy into chemical energy usable by plants.


All members of a particular species within an ecosystem.


All the populations of the different species that interact in a specific area or ecosystem.

Ecological Hierarchy

The order of biotic interactions and relationships in an ecosystem.


IT has abiotic components that interact with biotic components.

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