The changes in population size, density, dispersion, and age structure are known as

1.   ?    succession.
   
2.   ?    demography.
   
3.   ?    population dynamics.
4.   ?    evolution.

The most common pattern of population dispersion found in nature is

1.   ?    random.
   
2.   ?    uniform.
3.   ?    clumped.
4.   ?    dispersed

Population dispersion may be affected by

1.   ?    immigration.
2.   ?    emigration.
3.   ?    mating habits
4.   ?    seasonal changes.

You are an ecologist studying the population dynamics of an ecosystem. You observe that resources are not evenly distributed. You predict the population dispersion pattern is

1.   ?    uniform.
   
2.   ?    random.
3.   ?    clumped.
4.   ?    a, b, and c in sequence as succession takes place

Population size is governed by

1.   ?    births and deaths.
2.   ?    immigration.
3.   ?    emigration.
4.   ?    all of the above

Carrying capacity refers to

1.   ?    reproductive rate.
2.   ?    litter size.
   
3.   ?    the maximum size of population the environment will support.
4.   ?    the proportion of males to females.

The curve depicting the growth of a population that is limited by a definite carrying capacity is shaped like the letter ____.

1.   ?    J
2.   ?    L
3.   ?    M
4.   ?    S

The curve depicting the growth of a population that is gowing exponentially is shaped like the letter ____.

1.   ?    J
2.   ?    L
3.   ?    M
4.   ?    S

Density-dependent population controls include all of the following except

1.   ?    disease.
   
2.   ?    human destruction of habitat.
3.   ?    parasitism.
4.   ?    competition for resources.

Density-independent population controls include all of the following except

1.   ?    drought.
2.   ?    fire.
3.   ?    floods.
4.   ?    resource competition

An r-strategist generally

1.   ?    lives in a stable environment.
   
2.   ?    is small and short lived.
3.   ?    gives much parental care to its offspring.
4.   ?    survives to reproduce.

K-strategists

1.   ?    are more responsive to environmental changes than r-strategists.
2.   ?    exhibit fast rates of evolution.
3.   ?    are generally less adaptable to change than r-strategists.
4.   ?    have high genetic diversity.

Which of the following is an r-strategist?

1.   ?    human
2.   ?    insect
3.   ?    rhinoceros
4.   ?    saguaro cactus

Which of the following is an K-strategist?

1.   ?    mice
   
2.   ?    cockroach
3.   ?    rhinoceros
4.   ?    dandelion

Which group can best be described as a population?

1.   ?    the life in Earth's atmosphere
   
2.   ?    all the plants and animals in Visalia.
3.   ?    all the dogs and cats in Visalia
4.   ?    all the dogs in Visalia

An S shaped curve shows what kind of growth?

1.   ?    logistic
2.   ?    linear
3.   ?    exponential
4.   ?    quadratic