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drs-ecol1-ak21

ecology vocab 1

TermDefinition
Biology Bio- Life ology- study of study of living things
Organism The scientific word for living things. Ex- A prairie dog
Habitat An environment that provides the things a specific organisms needs to live, grow, and reproduce. Ex- Forest
Biotic Factors The parts of a habitat that are living, or once living, and interact with an organism. Ex- Flowers
Abiotic Factors The nonliving pars of an organism's habitat. Ex- Rocks
Species A group of organisms that can mate with each other and produce offspring that can also mate and reproduce. Ex- Black- tailed prairie dogs
Population All members of one species living in a particular area Ex- Prairie dogs in the Nebraska town
Community All the different populations that live together in an area Ex- Prairie including hawks, snakes, prairie dogs
Ecosystem The community of organisms that live in a particular area Ex- Prairie, desert, oceans, ponds
Ecology The study of how organisms interact with each other and with their environment
Birth Rate The number of birth per 1,000 indivisuals for a given time period Ex- If the birth rate is greater the population increases
Death Rate The number of deaths per 1,000 individuals for a certain time period. Ex- If the death rate is great than the population decreases
Immigration Movement of individuals out of a population's area Ex- Birds immigrate down to the south for warmer conditions
Emigration Movement of individuals out of a population's area Ex- When polar bears can emigrate down south and never come back to their homes
Population Density The number of individuals in an area of a specific rate Ex- Pumpkin plants growing in a farmers garden
Limiting Factor A factor present in an environment that controls process, particularly growth Ex- The population can only grow to the degree that predation will allow it
Carrying Capacity The number of people, other living organisms, or crops that a region can support without environmental degradation Ex- How many people there van be in a life boat
Created by: akodak117
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