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What is biomass?
How much new living material is made.
What is productivity?
How much new living material is made.
What is photosynthesis?
How plants use sunlight to make food.
What is the carbon cycle?
The way carbon moves through the air, plants, animals, and soil.
What are producers?
Living things, like plants, that make their own food.
What are consumers?
Living things that get food by eating other things.
What are decomposers?
Living things that break down dead plants and animals.
What is a trophic pyramid?
A diagram showing feeding levels in an ecosystem.
What is an autotroph?
A living thing that makes its own food.
What is a heterotroph?
A living thing that gets food by eating other things.