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13 questions
Which of the following could be a density-independent limiting factor in the desert?
number of prey
food supply
parasitism
rainfall
What type of population growth is shown in this graph?
logistic growth
exponential growth
logical growth
density-independent growth
Which point on the graph best represents the carrying capacity?
Letter A
Letter B
Letter C
Letter D
Letter E
Which of the following is density-independent limiting factor?
disease
competition
earthquake
predation
In which month(s) did the Cottontail Rabbits reach their carrying capacity?
January and February
March and May
April and January
April and May
At which point on the graph does population growth begin to be affected by density-dependent factors?
Letter A
Letter B
Letter C
Letter D
Letter E
Review the graph provided. What statements can be made about the significant decline in wolves around 1979?
The wolf decline was a direct result of moose decline.
The is no way to know why the wolf population dropped.
The drop is most likely due to the declining moose population, but more information would be needed to determine that.
The drop is most likely due to the increasing moose population, but more information would be needed to determine that.
The wolf decline was a direct result of the moose increase.
A population of emus was studied for five years. During that time there were 300 births and 120 deaths. 40 emus immigrated into the population and 20 emigrated out of it. Calculate the population growth over this period.
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