Ecology Concepts 3

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Can you name the Ecology Concepts 3?

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DefinitionConceptExamples or further explanation
per capita birth rate - per capita death rate
table of birthrates for females of different ages in a populationfecundity = number of eggs or seeds produced by an organism
individuals of more than one generation living together, cooperative care of young, division of individuals into reproductive and nonreproductive castesWolves helping raise cubs of others
Number of deaths per individual
reproduction that involves production of all the organism's offspring in a single eventspiders, salmon, etc
average number of offspring produced by an individual in a population
reproduction that involves production of an organism's offspring in two or more events generally spaced out over the organisms lifetimehumans, cats, etc
group of sub-populations living in separate locations with active exchange of individuals among subpopulationsnot totally isloated
A population which is dispersed in small groups across an area
the adaptations of an organism that influence aspects of its biology# of offspring produced, survival, size and age at reproductive maturity
pattern of growth that produces an (italic) S shaped population growth curvepopulation levels off at carrying capacity
Number of births per individual
DefinitionConceptExamples or further explanation
An organism's ability to survive and reproduce
population growth that produces a J-shaped pattern of increase.Increasing at an increasing rate. Change in numbers with time = rxN, or per capita rate of increase times population size
All the individuals of one species living in an area
nautral selection favoring higher population growth ratestrongest in disturbed habitats
graphical summary of patterns of survival in a population
Length of time from birth to first reproduction
A population which is evenly dispersed across an area
natural selection that favors more efficient utilization of resourcesstrongest where populations lives near carrying capacity much of the time
totality of genes, species, and ecosystems of a location
table of age-specific survival and mortality rates in a population
The number of different species present in an area
A population which is dispersed sporadically across an area

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