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Ecosystem part 1

Dr. Pettigrew - Science Vocabulary Words
Across
A series of events in which one organisms eats another and obtains energy
An organism that obtains energy by feeding on other organisms
A diagram that shows the amount of energy that moves from one feeding level to another in a food web
Consumers that eat only animals
A system involving the interactions between a community of living organisms in a particular area and its nonliving environment
Down
An organism that can make its own food
Organisms that break down wastes and dead organisms and return the raw materials to the ecosystem
A series of the many overlapping food chains in an ecosystem
Consumers that eat plants and animals
Consumers that eat only plants
A carnivore that feeds on the bodies of dead organisms