Exam 14: Is the Human Population Too Large Population Ecology

True or false: Human population growth has always been exponential.

Which project would be conducted by an ecologist?

True or false: Human populations don't generally follow the "boom and bust" cycle of some animal populations.

Which energy source is a nonrenewable resource?

What factor would result in an increased mortality in a population due to increased competition for water?

True or false: Nearly all developed countries in the world are beginning a demographic transition in the twenty-first century.

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. What type of distribution applies to this example?

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 availability of acorns. Then squirrel populations will decrease after lower acorn abundance. This is an example of

What pattern of population growth corresponds to the principle of a carrying capacity?

Which group would be an ecological population of organisms?

Over the past two centuries, how has the growth of human population changed?

True or false: Net primary productivity is a measure of plant growth in a region during a single year.

-Based on the population pyramid of the United States in 2010, as seen in this figure, what predictions can be made about the population?

What is another word for population density?

Based on estimates that consider the NPP of Earth and human use of these resources, what is the carrying capacity of people calculated by scientists?

A death rate of 2.1% would represent 21 deaths per ________ individuals in a population per year.

What situation results when a population of spotted salamanders in an area of vernal pools remains stable for many years and was stabilized because of resource limits?

Although the carrying capacity of a population is determined by food availability, what other factor affects the carrying capacity?

True or false: Most developed countries have passed through a demographic transition and currently have low population growth rates.

True or false: In general, developed countries have lower population growth rates than less developed countries.