Environmental Health #1

What does the word 'ecosystem' mean?

• something made up of all the living and non-living things in an area which interact with each other

• the presence or introduction to the environment of a substance that has harmful effects

• the surroundings and conditions where a person, plant or animal lives

What does the word 'environment' mean?

• something made up of all the living and non-living things in an area which interact with each other

• the presence or introduction to the environment of a substance that has harmful effects

• the surroundings and conditions where a person, plant or animal lives

What does the word 'pollution' mean?

• the surroundings and conditions where a person, plant or animal lives

• the presence or introduction to the environment of a substance that has harmful effects

• something done in a way that is planned

Which of these is NOT an example of human made pollution?

• Cutting down trees

• Forest fires

• Driving cars

• Farming

Other parts of the body that air pollution affects are:

• Heart

• Bones

• Eyes and skin

• Immune system

Choose 2. Main causes of land pollution are:

• Industry

• Sea dumping

• Chemicals

• Rubbish/garbage

Substances that contaminate the environment and can harm people are ___________________.

• Siblings

• Dirt

• pollutants

• germs

True or false. Biodegradable products break down without causing harm to the environment.

• True

• False

An ecosystem is defined as

• the transition zone between grassland and desert

• a group of interactive species and their environment.

• a body of freshwater.

• the lowland area on either side of a river.

• all choices are correct

Global increases in carbon dioxide emissions are primarily due to

• global warming.

• agriculture

• habitat destruction

• fossil fuel use.