Sharing The Planet Vocabulary 1

an area or region of land

• smog

• forest

• territory

• river

threatened with extinction

• hypothesis

• result

• pollution

• endangered

clouds of smoke and exhaust, pollution

• smog

• poison

• smoke

• fog

the act of competing for scarce resources and food

• extinct

• competition

• habitat

• poison

The natural conditions in which an organism lives

• competition

• environment

• hypothesis

• logistics

Material (liquid, gas, or solid) that contaminates and damages the natural

• Materials

• habitat

• environment

• pollution

something that hurts a plants or animals, especially by chemical means

• liquid

• poison

• vitamins

• nutritent

a species no longer existing or living

• extinct

• poison

• endangered

• pollute

a tentative explanation for an observation phenomenon, or scientific problem that can be tested by further investigation

• territory

• environment

• hypothesis

• zoo

The area or environment where an organism or ecological community lives

• competition

• habitat

• smog

• materials