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drs-ecol1-mi101

ecology vocab 1

TermDefinitionExample
Biology bio- life ology- study of study of living things ...
Organism scientific word for living things bald eagles, humans, dogs, etc.
Habitat an environment that provides the things a specific organism needs to live, grow, and reproduce desert, prairie, lake, etc.
Biotic Factor a living or once living part of an organism's habitat plants, animals, bacteria, etc.
Abiotic Factor a nonliving part of an organism's habitat sunlight, soil, temperature, oxygen, water, etc.
Species a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce bears, dogs, humans, etc.
Population all the members of one species living in the same area Prairie dogs in Nebraska,kangaroos in Africa, etc.
Community all the different populations that live together in a particular place In a prairie are hawks, snakes and grasses, etc.
Ecosystem the community of organisms that live in particular area, along with their nonliving environment Prairie, desert, ocean, pond, forest, etc.
Ecology the study of how organisms interact with each other and their environment ...
Birth Rate the number of births per 1000 individuals for a certain time period
Death Rate the number of deaths per 1000 individuals for a certain time period
Immigration movement of individuals into a population's area When birds migrate out of the north, etc.
Emigration movement of individuals out of a population's area When birds migrate to the south, etc.
Population Density the number of individuals in an area of specific size If you count 20 butterflies measuring 10 square meters the population density is 2 butterflies per square meter, etc.
Limiting Factor an environmental factor that causes a population to decrease in size Weather conditions, space, food, water, etc.
Carrying Capacity the largest population that a particular environment can support A giraffe eats 10 kilograms of leaves and the trees provide 100 kilograms of leaves, the carrying capacity is 10 giraffes, etc.
Created by: minoa196
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