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Biology, 18.02.2020 21:35 kylemartinez13

1.) Which of the following factors would affect population distribution but not size in a given country?
A) individuals moving from this country to another country
B) an increased birth rate
C) individuals moving from one region of the country to another region of the same country
D) an increased death rate

2.) A researcher is studying a particular population. He notices that the carrying capacity for this species in this ecosystem has decreased. What could have caused this change?
A) The resources available for the population have increased.
B) The population is breeding too quickly and producing too many offspring.
C) The resources available for the population have decreased.
D) The population is breeding too slowly and not producing enough offspring.

3.) Which of the following would be an appropriate measure of population density?
A) the number of African elephants (Loxodonta africana)
B) the number of African elephants (Loxodonta africana) and the grasses on which the elephant feeds per square mile
C) the number of African elephants (Loxodonta africana) and humans per square mile
D) the number of African elephants (Loxodonta africana) per square mile

4) Diseases can spread rapidly in cities. If a disease kills many people in a city but fewer in a rural area, this is an example of
A) exponential population growth.
B) density-independent factors.
C) logistical population growth.
D) density-dependent factors.

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