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Ecosystems

Ecosystems 2019-2020

TermDefinition
Food web Complex interactions of food chains that interact in an ecosystem
Predator Organism that captures and feeds on another organism
Prey Organism that is captured and fed upon by another organism
Photosynthesis Process by which organisms use light energy to make food energy
Producer An organism that makes its own food from the energy of the sun
Consumer An organism that relies on other living things for its food
Decomposer An organism that breaks down dead and decaying matter
Herbivore An animal that eats only plant material
Omnivore An animal that eats both plants and animals
Carnivore An animal that eats only other animals
Food chain A simple model that shows a direct line of feeding relationships in an ecosystem
Symbiosis Any close relationship between species
Mutualism A symbiotic relationship in which both species benefit
Commensalism A symbiotic relationship in which one organism benefits and the other is not affected
Parasitism A symbiotic relationship in which one organism benefits and the other is harmed
Niche An organism's role in its environment
community all the populations of different species that live in an ecosystem
habitat place where an organism lives and that provides the types of food, shelter, moisture, and temperature needed for survival
ecology the study of the interactions that take place among organisms and their environment
limiting factor anything that can restrict the size of a population, including living and nonliving features of an ecosystem, such as predators or drought
biosphere the part of Earth that supports life
ecosystem all the organisms living in an area, as well as the non-living parts of the environment
population made up of all the organisms of the same species that live in an area at the same time
competition occurs when two or more organism seek the same resources at the same time
carrying capacity the maximum number of individuals of one species that an ecosystem can support over time
Biome large area with distinct climate, plant and animal life
Created by: MsHollinger
 

 



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