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LIfe science

TermDefinition
Biotic The living things in an ecosystem
Abiotic The non-living things in an ecosystem
Producer/Audotroph Get their own food through photosynthesis
Consumer/heterotroph Herbivore, Carnivore, omnivore, or scavengers
Decomposer Break down dead or decaying organisms and return nutrients to the soil
Herbivore Eats plants only
Carnivore Eats only meat
Omnivore Eats plants and meats
Scavenger Eats dead plants and animals
Food Chain Show how matter and energy move through an ecosystem in a series of steps showing which organisms transfer energy by eating and being eaten.
Food Web Models that show all the possible feeding relationships at each tropic level in a community, links all food chains in an ecosystem together.
Sun's role in food Source of all energy for living things
Chain/web The complex system of interrelated food chains in an environment is known as a food web
Energy Pyramid A pyramid that shows how energy flows from organism to organism
Symbiosis A relationship between two species that benefits at least one of the species.
Mutualism A relationship in which both species benefits
Commensalism A relationship in which one species is helped and one is uneffected
Parasitism A relationship in which one species is helped and one is harmed
Predator/prey An interaction between two organisms of unlike species in which one of them acts as predator that captures and feeds on the other organism that serves as the prey.
Competition An interaction between organisms, populations or species in which birth, growth and death depend on gaining a share of limited environmental resource
Adaptation A change or the process of change by which an organism or species becomes better suited to it's environment
Created by: Ichristian3
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