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Ecosystem

QuestionAnswer
Organism An live thing
Habitat Environment that provides the things a specific organism needs to live grow and reproduce
Biotic factors Part of a habitat that are or were once alive
Abiotic factors Nonliving things in the environment
Species A group of organisms that can mate with each and produce offspring
Population All the members of one species living in a particular area
Community All the different populations that live together in an area
Ecosystem Organisms that lives in a particular area along with the nonliving environment
Ecology The study of how organisms interact with each other and with their environment
Population density The number of individuals in an area of a specific size
Limiting factor An environment factor that causes a population to stop growing
Carrying capacity The largest population that an area can support
Consumer Obtains energy by feeding on other organisms
Carnivores Consumers that eat only animals
Scavenger Carnivore that feeds on the bodies of dead organisms
Herbivores Consumers that eat only plants and other photosynthetic organisms
Omnivore Consumers that eat both plants and animals
Decomposers Break down biotic wastes and dead organisms
Producer An organism that can make its own food
Food chain A series of events in which one organism eats another
Food web Consists of many overlapping food chains
Energy pyramid Shows the amount of energy that moves from one feeding level to another
Photosynthesis The set of chemical reactions plants use to turn light water and nutrients into oxygen and energy
Chlorophyll Absorbs light
Autotroph An organism that makes its own food
Heterotroph An organism that has to get its food from a source
Niche How an organism obtains it food/ the type of food
Competition The struggle between organisms to survive
Predation One organism kills another for food or nutrients
Symbiosis Any relationship in which two species live closely together
Commensalism A relationship in which one species benefits and the other species is neither helped nor harmed
mutualism which is a relationship in which both species benefit.
parasitism a relationship that involves one organism living with, on, or inside another organism and harming it.
Created by: user-1979388
 

 



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