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drs-ecol1-kv1

ecology vocab 1

TermDefinition
biology bio-life ology-study of living things
organism scientific word for living things
habitat an environment that provides the things a specific organism needs to live, grow, and reproduce Example: The eucalyptus tree is the habitat of the koala.
biotic factor the parts of a habitat that are living, or once living, and interact with an organism Example: A dog is a biotic factor because it is living.
abiotic factor the nonliving parts of an organism's habitat Example: The sun is an abiotic factor because it isn't living
species a group of organism's that can mate with each other and produce offspring that can also mate and reproduce Example: Humans are a species because we also reproduce.
population all the members of one species living in a particular area Example: Perth Amboy has a population of around 40,000 people.
community all the different populations that live together in an area Example: New Jersey is a community because there are many towns and people that make it up.
ecosystem the community or organisms that live in a particular area, along with their nonliving environment Example: The ecosystem of a desert is very hot and dry.
ecology the study of how organisms interact with each other and with their environment
birth rate the number of births per 1,000 individuals for a given time period Example: The birth rate of the United States is 13.62
death rate the number of deaths per 1,000 individuals for a given time period Example: The death rate of Ireland is 6.41.
immigration moving into a population Example:Animals immigrate to other places during winter, so they don't have to with stand the cold weather
emigration leaving a population Example: Animals emigrate when destruction or damage happens to their habitat.
population density the number of individuals in an area of a specific size Example; Scientists find the population density of endangered species to find how many of them are left.
limiting factor an evironmental factor that causes a population to stop growing Example: The poaching of African elephants, which are an endangered species, is a limting factor to their production.
carrying capacity the largest population that an area can support Example: The carrying capacity of an area must not be exceeded.
Created by: kvazquez451
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