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MIDDLE SCHOOL

Life Science

Ecosystems: Interactions, Energy, and Dynamics

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Ecosystems: Interactions, Energy, and Dynamics: Populations and Ecosystem Dynamics

Population

Description

Population

A population is a group of individuals of the same species living in a particular area at the same time. Populations change over time due to factors like birth rates, death rates, immigration, and emigration. Environmental conditions, availability of resources, predation, and disease also influence po...

Transcript

Ever seen a school of fish or a herd of deer? That’s a population—a group of the same species living together in one area.

One important thing about a population is its size, or simply how many individuals are in it.

A large population may indicate a healthy environment with plenty of resources, while a small population might strug...

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