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Life Science Week 8: Systems of Life

Across
The order in which living things consume each other for food
An organism that breaks down other living things when they die
Someone who studies ecosystems and the things living in them
A living thing that eats, but doesn't make, its own food
Down
One example of a very complex land ecosystem, full of thousands of kinds of living things
A living thing that hunts and eats other living things
A community of living things and nonliving things sharing the same environment
A living thing that makes its own food (in a food chain)