Week 14 12.4 Vocab Flashcard

Front

Definition of Energy Resource?

Back

A source or supply of energy for generating electric power to meet needs.

Front

Definition of Mass Extinction?

Back

Many different types of living things die at the same time.

Front

Definition of Keystone Species?

Back

A species that other species in an ecosystem rely on.

Front

Definition of Adaptation?

Back

Allows a species to be better suited to its environment.

Front

Definition of Resource?

Back

A source or supply that benefits organisms.

Front

Definition of Limited Resource?

Back

Needed by organisms, not infinite; if exhausted, organisms cannot survive.

Front

Definition of Natural Resources

Back

Resources that exist in the environment without human intervention.

Front

Definition of Nonrenewable

Back

Not replaceable by natural means within a short period of time

Front

Definition of Renewable

Back

Replaceable by natural means in a short period.

Front

Definition of Synthetic?

Back

A man-made material using natural resources.