1. HUMAN BEINGS
AND ECOSYSTEM
Human activity alters ecosystems

2. We overexploit natural
resources. For example, we
catch too many fish

3. We occupy natural
spaces with our towns
and cities.

4. We pollute the environment with
smoke and gas from factories
and cars

5. Words to study
Overexploit….exploit excessively.
Natural resources: naturally occurring materials
such as coal, fertile land, etc, that can be used by
man
Environment:Ecology . the air, water, minerals,
organisms, and all other external factors surrounding
and affecting a given organism at any time.
Pollution: the introduction of harmful substances or
products into the environment: air pollution.

6. Words to study
Overexploit….exploit excessively.
Natural resources: naturally occurring materials
such as coal, fertile land, etc, that can be used by
man
Environment:Ecology . the air, water, minerals,
organisms, and all other external factors surrounding
and affecting a given organism at any time.
Pollution: the introduction of harmful substances or
products into the environment: air pollution.