Role of an organism, Feeding level or position in a food chain, Environmental factors involving soil, A physical fight or battle for a valuable resource, Both organisms gain access to the resource, Group of the same species, Makes its own food and found at the bottom of the food chain, Conflict or struggle for valuable resources, Hunting, killing and eating another organism, Relationship between 2 species where at least one benefits, Feed on dead organic matter, Feeding on a live host, Parts of the earth that can sustain life, Place where an organism lives and is adapted to, Environmental factors involving living things, Diagram showing interconnected food chains, Protection and wise management of our natural resources and the environment, Any harmful addition to the environment by humans that leaves it less able to sustain life, Over enrichment with nutrients, Symbiotic relationship where both benefit..

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