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drs-ecol1-vip

Ecology Vocab #1

TermDefinitionExamples
Biology Bio- Life Ology-Study of The study of living things.
Organism The scientific word for living things. Ex. One prairie dog
Habitat An environment that provides the things a specific organism needs to live, grow, and reproduce. Ex. A Prairie
Biotic Factors The parts of a habitat that are living, or once living, and interact with an organism. Ex. Grasses, Birds, Plants
Abiotic Factors The non-living parts of an organism's habitat. Ex. Soil, Water, Heat
Species A group of organisms that can mate with each other and produce offspring that can also mate and reproduce. Ex. Dogs
Population All the members of one species living in a particular area. Ex. Prairie Dog town
Communities All the different populations that live together in an area. Ex. All the living things that interact on the prairie.
Ecosystems The community of organisms that live in a particular area, along with their non-living environment. Ex. Deserts, Oceans, Ponds, Forests
Ecology The study of how organisms interact with each other and with their environment.
Death rate The number of deaths per 1,000 individuals for a given time period.
Immigration Moving into a population Ex. A herd moving into another land and permanently staying there.
Emigration Leaving a population Ex. Ex. If food is scarce, a herd might wonder in search of another grassland.
Population Density The number of individuals in an area of a specific size. Ex. 20 butterflies in a 10 square meter garden. (20 butterflies per square meter)
Limiting factor An environmental factor that causes population to stop growing or decrease in size. Ex. a inhabited area running out of water, space, or food.
Carry Capacity The largest population that an area can support. Ex. The carrying capacity of a giraffe habitat is 10 giraffes.
Birth Rate The number of births per 1,000 individuals for a given time period.
Created by: vpacheco297
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