In 2009,approximately _____ U

question 4

Multiple Choice

In 2009,approximately _____ U.S.children did not have health insurance.

• A)1.8 million
• B)10 million
• C)7.5 million
• D)25 million

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Definitions:

Facilitation

The process by which certain living organisms make an environment more suitable for other organisms to inhabit, often leading to changes in the community composition.

Ecosystem

A biological community of interacting organisms and their physical environment, functioning as a system through nutrient cycles and energy flows.

Immature Ecosystems

Ecosystems in the early stages of development, which have yet to reach a stable climax community and are characterized by rapid changes in species composition and structure.

Food Webs

A food web consists of all the food chains in a single ecosystem.