An organism that breaks down the remains of producers and consumers and releases inorganic molecules back into the environment. Can be classified as a scavenger, detritovore, or saprotroph

Consume herbivores or other carnivores, examples include wolves, lions, hawks, frogs, spiders

The feeding positions in a food chain or food web

A physical aspect of an environment, also known as a non-living factor.

The total mass of organisms at a specific trophic level.

First trophic level- producers; Second trophic level-Occupied by primary consumers that get their energy from primary consumers or organisms in the second trophic level. Only 10% of the energy passes from one trophic level to the next trophic level.

A diagram showing a single pathway through which energy and matter flow through an ecosystem.

Consumes tissues of dead animals. Examples include vultures, raccoons

The study of how living organisms interact with each other and their environments

A location where a specific population of species lives.

The idea that two species cannot occupy the same niche in the same place for a long period of time.

A complex system that consists of all the biotic (living_) and abiotic (physical) aspects of the environment.

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