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APES Unit 3 Vocab Questions and Answers

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APES Unit 3 Vocab Questions and Answers population a group of the same species, living in the same space at the same time ecology Scientific study of interactions among organisms and between organisms and their environment population size the number of individuals in a population;...

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  • December 2, 2024
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APES Unit 3 Vocab Questions and
Answers
population - answer a group of the same species, living in the same space at the
same time

ecology - answer Scientific study of interactions among organisms and between
organisms and their environment

population size - answer the number of individuals in a population; denoted by the
letter N

population density - answer individuals per unit area; used to issue hunting permits

population distribution - answer random: all over the place, uniform: live in just about
the same distance from each other, clumped: individuals live together in particular are
(around resources)

age structure - answer amount of ages in each sex; gives clues about demographic
of an area

density dependent factor - answer factors that regulate populations based on the
size and density of a population

density independent factor - answer limit the size of the population regardless of how
many individuals are living together; natural disasters

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

growth rate - answer growth rate= births-deaths

exponential growth rate - answer calculates the future population size, Nt=N0e^rt
(Nt= future population, N0= present population, E=2.72, R=growth rate, t= time;
continues to rise

logistic growth model - answer (K) impacted by the carrying capacity of an
environment; S-shaped

K-selected species - answer species who's population depends on carrying capacity;
organisms that exhibit a logistic growth; slow reproducers, large, give lots of care to
their young, don't have many babies at one time

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