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Ecology 7th grade

ecology notes for test for mr. erps class

TermDefinitionHint
Enviornment all the external factors influencing the life and activities organisms Starts with E. Ends with T
Biotic any living, or once living factors in the environment Starts with B. Ends with C
Abiotic any nonliving part of the environment, such as water, sunlight, temperature, air, and soil. Starts with A. Ends with C
Organism is one individual from a population Starts with O. Ends with M
Population is all of the individuals of one species that interact in some way Starts with P. Ends with N
Community all of the communities in an area and the abiotic factors they interact in some way Starts with C. Ends with Y
Ecosystem all of the communities in an area and the abiotic factors they interact with make up Starts with E. Ends with M
Biome is a large region with plants and animals well adapted to the soil and climate of the region Starts with B. Ends with E
Biosphere the level of biological organization that is made up of all the ecosystems on earth Starts with B. Ends with E
Population Size the number of individuals in a population First word starts with P. Last word ends with E
Population Density the number of organisms in a given space First word starts with P. Last word ends with Y
Population Spacing how organisms are arranged in a given area First word starts with P. Last word ends with G
Limiting Factor biotic or abiotic that limit the number of individuals in a population First word starts with L. Last word ends with R
Carrying Capacity the maximum number of organisms that can survive in an ecosytem First word starts with C. Last word ends with Y
Niche the particular role of an organism in its environment, including how it obtains food, how it interacts with other organisms Starts with N. Ends with E
Producers are organisms that use energy form the sun Starts with P. Ends with S
Consumers are organisms that take in energy by feeding on producers or other consumers Starts with C. Ends with S
Decomposers an organism that feeds on dead or decaying material Starts with D. Ends with S
Food Chain a simple model showing how energy, in the form of food, passes from one organism to another First word starts with F. Last word ends with N
Food Web a model that describes how energy from food moves through a community; a series of overlapping food chains First word starts with F. Last word ends with B
Ecology is the study of interactions between organisms & their environment Starts with E. Ends with Y
Created by: JamariaT
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