Exam 10: Population Growth

Movement in and out of a population does not occur in a(n)________ population.

Colonizing populations generally exhibit ________ population growth while they establish in a new environment.

The ________ effect is the decline in either reproduction or survival under conditions of low population density.

Compare and contrast the two basic types of life tables. Discuss the advantages and disadvantages of each.

In logistic growth, the level at which population growth ceases is referred to as the

Exponential population growth does not occur in natural populations.

Which of the following equations reflects the exponential model of population growth?

The rate at which a population returns to an equilibrium after a disturbance is known as

Adult birds exhibit a type ________ survivorship curve.

Life expectancy (e)is the same for an individual regardless of age.

A population that is decreasing in size has an intrinsic rate of population growth (r)that is

A time-specific life table is easier to create and more accurate than a dynamic life table.

Explain a population cycle. What factors contribute to this phenomenon?

The ________ birthrate is expressed as the births per 1000 individuals per unit of time.

There are two general types of survivorship curves.

The maximum sustainable population size for the prevailing environment is called the ________.

The probability of survival and death usually varies with age.

Life ________ refers to the average number of years that an individual is expected to live from the time of his or her birth.

The net reproductive rate (R₀)is equal to ________ when females, on average, replace themselves in a population.

In a life table, the value lₓ represents the