Environmental Science Review SM1

Front

What is the process of testing a hypothesis called?

Back

Experiment

Front

Define a keystone species.

Back

A species that helps to hold an ecosystem together.

Front

What term describes having more organisms in an area than an ecosystem can support?

Back

Overpopulation

Front

What does CO2 stand for?

Back

Carbon Dioxide

Front

What is the purpose of the Endangered Species Act?

Back

Identifies threatened and endangered species in the US, and puts their protection ahead of economic considerations.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is an ecosystem?

Back

A community of living organisms and their physical environment interacting as a system.

Front

What is the greenhouse effect?

Back

The warming of Earth’s surface due to the trapping of heat by greenhouse gases.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is the difference between renewable and non-renewable resources?

Back

Renewable resources can be replenished naturally, while non-renewable resources are finite and cannot be replaced.