Exam 14: Is the Human Population Too Large? Population Ecology

When a population of spotted salamanders in an area of vernal pools remains stable for many years and the population has stabilized because of resource limits, then

When a population grows larger than the carrying capacity, then

Which of the following is a nonrenewable resource?

A population that's exhibiting exponential growth

A population can be clumped at one scale and uniform at another.

-Based on the population pyramid of the United States in 2010, as seen in this figure, you can predict that the population will

The carrying capacity of a population is represented as

In general, developed countries have lower population growth rates than less developed countries.

Which of the following is a population unaffected by density-dependent factors?

Human populations may surpass the carrying capacity of their environment due to

New England salt marshes experience a greater amount of plant growth in a given area in one year than any other temperate ecosystem. These salt marshes have

What is the birth rate in a population in which 35 babies are born per every 1000 people in the population each year?

An ecological population of organisms would include all

-According to this plot, growth rate and doubling time are

The evenly spaced distribution of stalks of corn planted in an agricultural field is considered

Nearly all developed countries in the world are beginning a demographic transition in the 21st century.

Species of oak trees periodically have years of large acorn production, followed by years of lower acorn amounts. In years of plenty, squirrel populations will experience an increase due to increased food availability of acorns. Then, squirrel populations will decrease after lower acorn abundance. This is an example of

Walking along a mile-long path in the woods, you notice a stand of your favorite wildflower, the cardinal flower, three different times. You find each stand of cardinal flower, including many flowers in each stand, on a stream bank. This is an example of a ________ distribution.

In a particular county, there are 30 births and 20 deaths for every 1000 residents. What is the annual growth rate of this population?

Which of the following explains a uniform distribution of individuals in a population?