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Life Science

TermDefinition
Ecology The study of relationships and the relation between the two in their environment
Ecosystem all living plants, animals and nonliving things that share an environmet
Habitat The place in which an organism lives and obtains the resources to survive
Biotic Factor Is the living factor in an ecosystem for example: grass, plants, worms, bacteria, fungi
Abiotic Factor Is the non-living factor in an ecosystem for example: water, sunlight, oxygen, temperature, soil
Population A group of organisms of the same species living together in the same area
Community The living part in an ecosystem
Niche An organism's role in an ecosystem
Competition The type of interaction in which organisms struggle with one another to obtain resources
Predation An interaction in which one organism hunts an kills another for food
Predator An organism that kills and eats another organism
Prey An organism that is eaten by predators
Mutualism A form of symbiosis in which both organisms benefit
Commensalism A form of symbiosis in which one organism benefits and the other neither benefits nor is harmed
Parasitism A form of symbiosis in which one organism benefits and the other is harmed
Producer An organism that makes its own food (autotroph)
Consumer An organism that cannot make its own food (heterotroph
Herbivore An organism that eats only plants
Carnivore An organism that eats only meat
Omnivore An organism that eats plants and meat
Scavenger A carnivore that feeds on the bodies of dead organisms
Decomposer Organisms that break down wastes and dead organisms and return the raw materials to the environment
Food chain A representation of a series of events in which food energy and matter are transferred from one organism to another
Food web A diagram that consists of overlapping food chains
Energy pyramid A diagram that shows the amount of energy that moves from one feeding level to another in a food web
Environment All the the living and non-living things with which an organism may interact
Biome A group of ecosystems with similar climates and organisms
Created by: Earth6