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Science Chapter 1 Vocabulary

Across
To make more of their own kind
Organism that make their own food
All the living things
Two organisms competing for a resource
Helps living things grow and stay healthy
A safe place
Animals that cannot make their own food
Leaf veins transport this
Down
Gas that plants breathe out
To react
A long period without rain
The structure that helps birds take in oxygen
A diagram that shows the flow of energy from one organism to another
Parts that help organisms live
All the living things in an environment
An organisms role or job
Food making part of a plant