Env exam review 2

Front

What is a pathogen?

Back

A pathogen is a virus or bacterium that causes infectious diseases.

Front

What type of ecological succession occurs after a fire in a forest?

Back

Secondary succession occurs in the years immediately after a fire.

Front

What is the troposphere?

Back

The troposphere is the lowest layer of Earth's atmosphere, directly above the ground.

Front

What are social hazards?

Back

Social hazards are environmental hazards that result from where we live and our lifestyle choices.

Front

Where can chemical hazards be found outdoors?

Back

Chemical hazards can be present in air, land, and water.

Front

What is secondary succession?

Back

Secondary succession is the process of ecological recovery that occurs after a disturbance, such as a fire.

Front

What is the difference between a pandemic and an epidemic?

Back

A pandemic is a global outbreak of a disease, while an epidemic is a localized outbreak.

Front

What are biological hazards?

Back

Biological hazards are environmental hazards that arise from living organisms, such as bacteria and viruses.

Front

What is a climax community?

Back

A climax community is a stable and mature ecological community that has reached a final stage of succession.

Front

What are chemical hazards?

Back

Chemical hazards are harmful substances that can cause health risks, often found in the environment.