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Science Interim

Biotic The living parts of the environment
Abiotic The nonliving parts of the environment
Producer/Autotroph An organism that makes their own food through the process of photosynthesis
Consumer/Heterotroph An organism that consumes other organisms for energy
Decomposer An organism that breaks down dead, decaying organisms and returns the nutrients back to the soil.
Herbivore An organism that only eats plants
Carnivore An organism that only eats meat
Omnivore An organism that eats plants and meat
Scavenger An organism that eats dead organisms
Food chain A series of steps showing which organism transfer energy by eating and being eaten and showing how matter and energy move through an ecosystem
Food web A system of many food chains
Sun's role in food chain/web Ultimate source of energy for all living things
Energy pyramid A diagram that compares energy used by producers, primary consumers, and other trophic levels
Symbiosis A close relationship between two species that benefits at least one of the species
Mutualism A type of symbiosis in which both organisms get a benefit from the relationship
Commensalism A type of symbiosis in which one organism gets a benefit and the other is not affected
Parasitism A type of symbiosis in which one organism gets a benefit and the other is harmed
Predator An animal that preys on other animals
Prey An animal that is hunted and killed by another for food
Competition The interaction between organisms, populations, or species, in which birth, growth and death depend on gaining a share of a limited environmental resource
Adaptation A change an organism makes in order to help it survive in it's environment better
Created by: kbullock