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Ecosystems

Across
Position that organisms occupy in a food web, which is defined by its relationship to the primary energy source
Organisms living or once living components of a sommunity
Changes in the composition of species found ina community over time
A symbiotic relationship where both organisms benefit
Symbiotic relationship where one organism benfefits while the other organism is unaffected
A community interacting with its environment through a one-way flow of energy and the cycling of materials
An ecological relationship where one organism (predator) eats the other organism (prey)
A tentative and testable statement that must be capable of being supported or not supported by evidence
A symbiotic relationship where one organism benefits while the other organism is harmed
Physical not biological: not derived from living things
A set of statements or principals devised to explain a group of facts or phenomena.
Down
Study of life
The ability of an ecosystem to return to a state of equilibrium following a disturbance
Two or more organisms using the same limited resources causing some organisms to be unable to access the resources
A group of organism living in the same place or having a characteristic in common