Processes by which rock, sand, and soil are broken down and carried away (i.e. weathering, glaciation)
Erosion
An organism that breaks down wastes and dead organisms
Decomposer
An organism that can make its own food.
Producer
An organism that obtains energy by feeding on other organisms
Consumer
Process by which organisms use energy from sunlight to make their own food
Photosynthesis
A state of matter with no definite shape or volume
Gas
A state of matter that has a definite volume but no definite shape.
Liquid
A form of matter that has a definite shape and volume
Solid
