Ecology Concepts 3 Quiz

Definition	Concept	Examples or further explanation
A population which is dispersed in small groups across an area		0
The number of different species present in an area		0
average number of offspring produced by an individual in a population		0
nautral selection favoring higher population growth rate		strongest in disturbed habitats
A population which is dispersed sporadically across an area		0
natural selection that favors more efficient utilization of resources		strongest where populations lives near carrying capacity much of the time
the adaptations of an organism that influence aspects of its biology		# of offspring produced, survival, size and age at reproductive maturity
table of birthrates for females of different ages in a population		fecundity = number of eggs or seeds produced by an organism
All the individuals of one species living in an area		0
graphical summary of patterns of survival in a population		0
pattern of growth that produces an (italic) S shaped population growth curve		population levels off at carrying capacity
individuals of more than one generation living together, cooperative care of young, division of individuals into reproductive and nonreproductive castes		Wolves helping raise cubs of others

Definition	Concept	Examples or further explanation
Length of time from birth to first reproduction		0
group of sub-populations living in separate locations with active exchange of individuals among subpopulations		not totally isloated
reproduction that involves production of an organism's offspring in two or more events generally spaced out over the organisms lifetime		humans, cats, etc
totality of genes, species, and ecosystems of a location		0
reproduction that involves production of all the organism's offspring in a single event		spiders, salmon, etc
Number of deaths per individual		0
Number of births per individual		0
per capita birth rate - per capita death rate		0
A population which is evenly dispersed across an area		0
An organism's ability to survive and reproduce		0
table of age-specific survival and mortality rates in a population		0
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

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