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Ecology Test 1

TermDefinition
Abiotic factors The nonliving factors, including objects that were once living, but were made into something else
Biotic factors The living parts of an ecosystem
Objective observation A factual observation
Subjective observation An opinionated observation
Environment All the influence, including biotic and abiotic factors, which affect living things
Atmosphere Layers of different gases that surround the earth
Organism Any living thing
Species A group of organisms that can mate with each other and produce offspring that can also mate and reproduce
Population A count of all the members of one species living in a particular area.
Community All the populations living together in one place
Ecosystem The community of organisms that live in a particular area, along with their nonliving environment
Biosphere The part of earth where organisms live
Carnivore Consumers that only eat animals
Omnivore Consumers that eat both plant and animal
Herbivore Consumers that eat only plants
Insectivore Consumers that eat only insects
Niche An organisms role in it's habitat (Type of eater)
Inscisors Front teeth used for biting and tearing
Canines Teeth used to rip and tear meat, usually fang-like
Molars Back teeth that are flat ans wide and used for grinding
Predator The organism that kills another organism for food or nutrients
Prey The organism that is killed for food or nutrients
Primary consumer An organism that eats producers (Herbivore or Omnivore)
Secondary consumer An organism that eats primary consumers (Carnivore, Insectivore, or Omnivore)
Producer An organism that can make its own food through photosynthesis
Consumer An organism that obtains energy by feeding on other organisms
Decomposer Organisms that break down biotic wastes and dead organisms and return the raw materials back to the ecosystem
Habitat An environment that provides the things a specific organism needs to live, grow, and reproduce
Scavenger A carnivore that feeds on the bodies of dead organism called carrion
Carrying capacity The largest amount of a population that can be supported by an area long term, can be determined by an average, or mean
Limiting factors Conditions in an environment that restrict where an organism can live
Created by: divya2008