carbon dioxide

carbon dioxide: a gas made or carbon and oxygen atoms that plants need for photosynthesis

Humans breathe out CARBON DIOXIDE and water vapor. CARBON DIOXIDE also causes the bubbles you see in carbonated drinks.

conservation

conservation: the wise use and protection of natural resources

consumer

consumer: an organism that gets energy by eating other organisms

The Honey Badger is a CONSUMER known to eat over 200 didifferent species of organisms, including venomous snakes!

ecosystem

ecosystem: all the living and nonliving things that interact with each other in an environment

Pond Ecosystem

Desert Ecosystem

food web

food web: overlapping food chains with different pathways for the flow of food energy in an ecosystem

fossil fuel

fossil fuel: a fuel that formed from the decayed remains of ancient plants and animals

Fossil fuels—coal, oil, and natural gas– formed over millions of years, but are being used up much more quickly

Once a source of oil is found deep underground, a large hole is drilled and pumps like this pull oil to the surface.

natural resource

natural resource: resource that is used by humans, such as a mineral, water, fossil fuels, or a food source

nonrenewable resource

nonrenewable resource: resource that nature cannot replace quickly enough to meet people’s needs

Fossil fuels like coal, oil, and

natural gas are considered

NONRENEWABLE RESOURCES

because it would take millions of

years for them to form again in

nature.

producer

producer: an organism that makes its own food

renewable resource

renewable resource: a resource that nature produces again and again