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Word Definition Autotroph Etymology (word origin) An organism that generates its own food to be used as energy. Example Plants Auto- = myself troph = food Phytoplankton (Marine Plants) Terrestrial Plants Word Definition Heterotroph Etymology (word origin) An organism that consumes other organisms for energy. Example Animals Hetero- = other -troph = food Mammals Insects Word Definition Omnivore Etymology (word origin) Omni-= all -vore = devour, eat An organism that consumes both plant and animal matter. Example Bears Word Definition Carnivore Etymology (word origin) Carni- = meat -vore = devour, eat An organism that consumes mostly animal matter. Example Leopard Word Definition An organism that consumes mostly plant matter. Herbivore Etymology (word origin) Herb- = plant -vore = devour, eat Example Elephants Word Definition Scavenger Etymoloagy (word origin) From the word scawegeor , whichaa describes “a person hired to remove waste from the streets.” An organism that feeds mostly on the abandoned remains of other organisms. Example Hyenas Word Definition An organism that feeds mostly consumes dead organic matter. Detrivore Etymology (word origin) Detri- = dead matter -vore = devour, eat Example Worms Word Definition Decomposer Etymology (word origin) An organism that breaks down organic matter to absorb nutrients. Example Fungi De- = reverse -composer = one who combines or puts together Bacteria Word Definition Predator Etymoloagy (word origin) From the word praedator meaning “plunderer.” An organism that forages by hunting other organisms. Example Killer Whale Word Definition Prey Etymoloagy (word origin) From the word preie meaning “animal hunted for food.” An organism that is hunted and consumed by a predator. Example Seal Word Definition Producers Etymology (word origin) A group of organisms that begin a food web or chain by supplying the initial energy. Example Plants Pro- = before, first -ducer = to bring Phytoplankton (Marine Plants) Terrestrial Plants Word Definition Consumers A group of organisms in a food web or food chain that must eat other organism for energy. Example con- = together -sumer = take up