ABIOTIC The non-living part of an environment. BIOTIC The living factors in an environment. CARNIVORE A consumer that eats only meat. HERBIVORE A consumer that eats only plants. OMNIVORE A consumer that eats both plants and animals. PRODUCER An organism that CAN produce (make) its own food. CONSUMER ECOLOGY SYMBIOSIS HETEROTROPHS AUTOTROPHS DECOMPOSER (DETROVORES) An animal that CANNOT produce its own food and must eat plants or other animals to obtain their energy. The study of the interaction of living organisms with one another and with their environment. The interaction (relationship) between two different organisms living in close physical contact. An organism that has to get its energy from another organism (consumer). An organism that can produce its own food (producer). An organism that feels upon the dead tissue of other organisms. COMMENSALISM PARASITISM MUTUALISM PREDATOR PREY The relationship between two organisms in which one benefits and the other organism neither benefits or is harmed. The relationship in which one species benefits and the other species is harmed. A relationship that is beneficial to both organisms involved in the relationship. An animal that does the hunting of another animal for food. An animal that is hunted by another animal for food. COMPETITION The relationship between organisms that compete for the same resource in the same place at the same time.