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AP BIO: Ecology Review Questions With Correct Answers
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AP BIO: Ecology Review Questions With Correct Answers Population - answera group of organisms of the same species populating a given area Community - answer(ecology) a group of interdependent organisms inhabiting the same region and interacting with each other ecosystem - answera system formed...

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  • August 27, 2024
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  • 2024/2025
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  • ap bio ecology review questions with correct answ

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  • AP Biology
  • AP Biology

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©THEBRIGHT EXAM STUDY SOLUTIONS 8/21/2024 1:28 PM



AP BIO: Ecology Review Questions
With Correct Answers

Population - answer✔✔a group of organisms of the same species populating a given area

Community - answer✔✔(ecology) a group of interdependent organisms inhabiting the same
region and interacting with each other

ecosystem - answer✔✔a system formed by the interaction of a community of organisms with
their physical environment

biosphere - answer✔✔the regions of the surface and atmosphere of the Earth (or other planet)
where living organisms exist

habitat - answer✔✔the type of environment in which an organism or group normally lives or
occurs

niche - answer✔✔(ecology) the status of an organism within its environment and community
(affecting its survival as a species)

size - answer✔✔the property resulting from being one of a series of graduated measurements (as
of clothing)

population density - answer✔✔number of individuals per unit area

dispersion - answer✔✔The pattern of distribution of organisms in a population

age structure - answer✔✔proportion of people in different age groups in a population

survivorship curves - answer✔✔They show the likelihood of survival at different ages
throughout the lifetime of the organism.

type I - answer✔✔Survivorship curve in which the likelihood of dying is small until late in life,
when mortality increases rapidly (such as Humans or elephants).

type II - answer✔✔Survivorship curve in which there is an equal likelihood of dying throughout
life (such as birds or small mammals).

, ©THEBRIGHT EXAM STUDY SOLUTIONS 8/21/2024 1:28 PM
type III - answer✔✔Survivorship curve in which organisms are most likely to die when young;
the few survivors tend to live until old age (such as oysters, salmon, or insects).

biotic potential - answer✔✔the maximum reproductive rate of an organism, given unlimited
resources and ideal environmental conditions

carrying capacity - answer✔✔largest number of individuals of a population that a environment
can support

limiting factors - answer✔✔Conditions in the environment that put limits on where an organism
can live

density-dependent factors - answer✔✔limiting factors (such as competition, predation,
parasitism, and disease) that are affected by the number of individuals in a given area

density-independent factors - answer✔✔limiting factor that affects all populations in similar
ways, regardless of population size

reproductive rate - answer✔✔R= (births-deaths)/N [N- population size at beginning of interval]

growth rate - answer✔✔the amount by which a population's size changes in a given time

intrinsic rate - answer✔✔the mean rate of growth of a population calculated by birth minus death
rates when the population is free of competition with other species and from other factors that
affect growth.

exponential growth - answer✔✔growth pattern in which the individuals in a population
reproduce at a constant rate

logistic growth - answer✔✔growth pattern in which a population's growth rate slows or stops
following a period of exponential growth

sigmoid curve - answer✔✔a period of exponential growth; population approaches its
environmental limits, growth slows and finally stabilizes, fluctuating around the carrying
capacity of the environment

population cycles - answer✔✔some populations have boom and bust cycles. Large growth, and
then a lot of death, and then growth.

r-selected species - answer✔✔Species that reproduce early in their life span and produce large
numbers of usually small and short-lived offspring in a short period.

opportunistic species - answer✔✔individuals that take advantage of what they have. usually like
insects. they have short life spans, they die quickly, mature very quickly, they usually only get
one chance to reproduce, when they do they have tons of offspring, and consequently don't take
care of their kids.

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