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Ecology Pt. 1

TermDefinition
Ecology The study of how living things interact (behave)
Biotic Factor All the living things in an environment
Abiotic Factor All the non living things with in an environment
Species A group of organisms that are closely related and can mate to produce fertile offspring
Population A group of organisms of the same species that live in a specific geographical area
Community All of the populations of species that live in the same habitat and interact with each other
Ecosystem A community of organisms and their abiotic, or nonliving, environment
Biome A large region characterized by a specific type of climate and certain types of plant and animal communities
Niche The role of a species in its community, including use of its habitat and its relationships with other species
Habitat The place where an organism usually lives
Producer An organism that can make its own food by using energy from its surroundings
Consumer An organism that eats other organisms or organic matter
Scavenger An organism that feeds on dead or decaying plants/animals
Herbivore Organism that eats only plants
Carnivore Organism that eats only animals
Omnivore Organism that can eat both plants and animals
Food Chain A diagram showing how energy passes from one organism to the next in an ecosystem
Food Web A diagram that shows the feeding relationships between many organisms in an ecosystem.
Carrying Capacity The largest population that an environment can support at any given time
Limiting Factor An environmental factor that prevents an organism or population from reaching its full potential of size or activity (disease, predation, starvation, competition)
Competition Ecological relationship in which two or more organisms depend on the same limited resource
Predator An organism that kills and eats all or part of another organism
Prey An organism that is killed and eaten by another organism
Symbiosis A relationship in which two different organisms live in close association with each other
Mutualism A relationship between two species in which both species benefit
Commensalism A relationship between two organisms in which one organism benefits and the other is unaffected
Parasitism A relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed
Parasite An organism that lives in or on another organism and benefits by taking nutrients from its host
Host An organism from which a parasite takes food or shelter
Energy The ability to do work
Energy Pyramid A diagram that shows the amount of energy that moves from one feeding level to another in a food web (only 10% is transferred)
Created by: anschoessler
Popular Ecology sets

 

 



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