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WorksheetsQuick 10Q: Population Ecology
Total questions: 10
Worksheet time: 5mins
Which of the following describes the growth rate as N approproaches K?
growth rate increases
growth rate decreases
growth rate is 0
growth rate has no change
Which of the following must be true for the growth rate to equal zero?
birth rate > death rate
birth rate < death rate
birth rate = death rate
2x birth rate = 1/2 death rate
Which of the following describes the distribution of organisms around the watering hole in the Savanna?
clumped distribution
uniform distribution
random distribution
territorial distribution
Which of the following describes the result of a negative r value?
The population size will double.
The population size with half.
The population size will increase.
The population size will decrease.
Which of the following describes a J shaped curve?
high competition
high predation
access to mates
unfavorable habitat
Which type of survivorship describes elephants with high parental care, low death rate of young, and long life spans?
I
II
III
does not apply
Which of the following describes how disease regulates population?
disease is a density independent factor
disease is a density dependent factor
disease selects for favorable individuals
disease removes unfavorable individuals
A population of fish is growing exponentially. The growth rate of the population is 2.0 and the current population size is 2,500 individuals. How many mice are added to the population each year?
500
1000
2500
5000
You conduct a mark and recapture experiment. You initially capture 20 cats and mark them. After a month, you collect 30 cats and 10 are already marked. What is the estimation for the population?
45
60
75
90
Which of the following describes the population size as the competition of resources increases?
increase of both populations
decrease of both populations
stays the same for both populations
one population increases and the other decreases
