Unit 18 Vocabulary

Front

Community

Back

A group of different species living together in one area, interacting with each other.

Front

Ecosystem

Back

A biological community of interacting organisms and their physical environment.

Front

Hierarchical

Back

Arranged in order of rank or authority, often used to describe the organization of biological systems.

Front

Organism

Back

An individual living thing that can react to stimuli, reproduce, grow, and maintain homeostasis.

Front

Population

Back

A group of individuals of the same species living in a specific area.

Front

Habitat

Back

The natural environment in which a species or group of species lives and grows.

Front

Biodiversity

Back

The variety of life in a particular habitat or ecosystem, often used as a measure of the health of biological systems.

Front

Symbiosis

Back

A close and often long-term interaction between two different biological species, which can be mutualistic, commensalistic, or parasitic.