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1.) Which of the following would not be considered a density-dependent factor controlling population size?

Select one:

a. Drought

b. Predation

c. Parasites

d. Disease

e. Competition


2.) All of the following are factors that affects biotic potential except _ (blank) _.

Select one:

a. Age at which reproduction begins

b. How many different mates each individual has

c. Changes of survival until age of reproduction

d. Usual number of offspring per reproduction

e. How often each individual reproduces


3.) All of the following are density-independent factor which affects a population except _ (blank) _.

Select one:

a. Fire

b. Disease

c. Droughts

d. Hurricanes

e. Floods


4.) Each of the following is a major factor in determining the risk of extinction in an equilibrium species that is unable to migrate except _ (blank) _.

Select one:

a. Size of geographic range

b. Size of local population

c. The number of different species in an area

d. Degree of habitat tolerance

e. All are major factors


5.) What environmental aspects determine where specific organisms live?

Select one:

a. Biotic factors

b. Density-independent factors

c. Limiting factors

d. Density-dependent factors

e. Life history factors


6.) Each of the following is a phase of the logistic curve except _ (blank) _.

Select one:

a. The lag phase

b. The deceleration phase

c. The biotic potential phase

d. The exponential growth phase

e. The stable equilibrium phase


7.) If the growth rate increases, what happens to the doubling time?

Select one:

a. Remains the same

b. Increases

c. Increases, then decreases

d. Decreases

e. Decreases, then increases


8.) What is the term for the place where an organism lives?

Select one:

a. Habitat

b. Community

c. Biosphere

d. Ecosystem

e. Population


9.) Which of the following are biotic factors that affect population size?

Select one:

a. Logistical-dependent factors

b. Carrying capacity-dependent factors

c. Density-dependent factors

d. Density-independent factors

e. Biotic-independent factors


12.) What type of species would exhibit an exponential population growth pattern?

Select one:

a. Density-dependent species

b. Carrying capacity species

c. Opportunistic species

d. Equilibrium species

e. Density-independent species


13.) Which of the following organisms tend to exhibit a type I survivorship curve?

Select one:

a. Oysters

b. Large mammals

c. Hydras

d. Insects

e. Bacteria


14.) What is the relatively thin layer on the earth's surface where life is possible?

Select one:

a. The lithosphere

b. A biopreserve

c. The biosphere

d. A biome

e. The ecosystem

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Subject: Biology, Science
1.) Which of the following would not be considered a density-dependent factor controlling population size?
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