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Across 5. any organism that exists by preying upon other organisms 8. the living together of two dissimilar organisms, as in mutualism, commensalism, or parasitism 9. a symbiotic relationship between or among living things for resources, such as food, space, shelter, mate, ecological status, etc 10. an organism that feeds on other plants or animals 11. a relationship between two species of organisms in which both benefit from the association 12. a living thing, as an animal or plant, that influences or affects an ecosystem

Down 1. a nonliving condition or thing, as climate or habitat, that influences or affects an ecosystem and the organisms in it 2. an animal hunted or seized for food, especially by a carnivorous animal 3. a relation between organisms in which one lives as a parasite on another 4. an organism that breaks down the cells of dead plants and animals into simpler substances 5. an organism that is able to produce its own food 6. a series of organisms related by predator-prey and consumer-resource interactions; the entirety of interrelated food chains in an ecological community 7. a type of relationship between two species of a plant, animal, fungus, etc., in which one lives with, on, or in another without damage to either