Studies Weekly Changes in Community

What lived on Earth before people?

• only plants and animals

• nothing

Over time, the number of people on Earth

• got smaller

• got larger

People built ______ to get from one place to another.

• house

• roads

______ Resources are thing found in nature.

• natural

• normal

The changes people make to their communities have consequences.

• yes

• no

Which one does NOT help the natural resources?

• recycle

• ride bikes

• leave the lights on

• take shorter showers