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Ecosystem

QuestionAnswer
Organism Living thing
Resources Food,water,shelter, and other things it needs to live, grow, and reproduce.
Habitat Environment that provides the things a specific organism needs to live, grow, and reproduce.
Biotic factors The parts of a habitat that are or were once alive and that interact with an organism
Species Is a group of organisms that can mate with each other and produce offspring.
Population All the members of one species living in a particular area are referred to as a population.
Community All the different populations that live together in a area.
Ecosystem The community of organisms that live in a particular area along with the non living environment.
Abiotic factors They are the non living parts of an organisms habitat
Ecology Is the study of organisms.
Population density The number of individuals in an area of a specific size
Limiting factor An environmental factor that causes a population to stop growing or to decrease in size as a disease infecting organisms.
Carrying capacity The largest population that an area can support
Producer An organism that makes it own food.
Consumer Obtains energy by feeding on other organisms.
Decomposer Break down biotic wastes and dead organisms.
Food chain Is a series of events in which one organism eats another and obtains energy and nutrients.
Food web Consists of many overlapping food chains
Energy pyramid Shows the amount of energy that moves from one feeding level to another.
Photosynthesis Is the set of chemical reactions plants use to turn light, water, and nutrients into oxygen and energy.
Chlorophyll Absorbs light ,much like cells in solar panels.
Autotroph An organism that makes its own food
Heterotroph An organism that has to get its food from a source and is unable to make its own food.
Niche How an organism obtains its food.
Competition The struggle between organisms to survive as they use the same limited resources.
Predation An interaction in which one organism kills another for food or nutrients.
Symbiosis Is a relationship in which two species live closely together.
Commensalism Is 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 Is a relationship that involves one organism living with ,on, or inside another organism and harming it.
Carnivore An organism that eats other organisms for food.
Herbivore An organism that only eats plants for food.
Created by: user-1979397
 

 



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