Population Ecology Practice Question Preview (ID: 57920)


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which is not used to describe a population of grizzly bears in Canada
a) demographic history
b) geographic distribution
c) population range
d) population density

which is a characteristic of exponential growth
a) lag phase shows rapid growth
b) initial population growth is rapid
c) resources are used quickly
d) growth rate is inversely proportional to population size

which is a density independent factor for a flock of Canada Geese
a) intestinal worms
b) infectious virus
c) unusually cold weather
d) dwindling food supply

what happens when a population nears carrying capacity
a) resources become abundant
b) diseases spread easily
c) density independent factors increase
d) resources become scarce

which strategy produces less offspring that have a better chance of living
a) k - strategy
b) s- strategy
c) r-strategy
d) l-strategy

calculate the density population of 100 bees in a 5 hectare sized area
a) 100 bees/hectare
b) 20 bees /hectare
c) 500 bees/hectare
d) 25 bees /hectare

If predators populations increase rapidly then prey population will
a) decrease
b) increase
c) stabilize
d) stay the same

which of the following would cause demographic transition
a) Medicines and better hospitals
b) more deaths
c) immigrations
d) all the above

Which organism may have an r strategy
a) elephants
b) people
c) mosquitos
d) lions

Are you ready for the test
a) yes
b) no
c) not yet
d) all the above

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