Flashcards - Praxis General Science: Key Aspects of Ecology

Flashcards - Praxis General Science: Key Aspects of Ecology
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Altruism
Altruism or selflessness is the principle or practice of concern for the welfare of others
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consumer
A consumer is a person or organization that uses economic services or commodities
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density-independent factors
In population ecology, density-dependent processes occur when population growth rates are regulated by the density of a population
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environmental factors
Environmental factor or ecological factor or ecofactor is any factor, abiotic or biotic, that influences living organisms
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environmental factors
Environmental factor or ecological factor or ecofactor is any factor, abiotic or biotic, that influences living organisms
density-independent factors
In population ecology, density-dependent processes occur when population growth rates are regulated by the density of a population
consumer
A consumer is a person or organization that uses economic services or commodities
Altruism
Altruism or selflessness is the principle or practice of concern for the welfare of others
Parasitism
In biology/ecology, parasitism is a non-mutual symbiotic relationship between species, where one species, the parasite, benefits at the expense of the other, the host
population density
Population density is a measurement of population per unit area or unit volume; it is a quantity of type number density
colonization
Colonization is an ongoing process by which a central system of power dominates the surrounding land and its components
zygotes
A zygote , is a eukaryotic cell formed by a fertilization event between two gametes

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