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