Exam 52: Population Ecology

Studies have determined that ____ is not responsible for the cyclical rise and fall of arctic hare and lynx populations.

In the logistic model of population growth, what is expected to happen to r when N = K? r will approach 1

What is an example of an extrinsic control of cycles in population size?

Birth rates generally reach their highest point in which stage of a country's demographic transition?

Intraspecific competition and predation are ____ factors.

Organisms store energy as ____.

The tools used by ecologists to study mortality rates were developed by developmental biologists .

According to the text, humans have two options for limiting population growth: 1) make a global effort to limit our own population, or 2) can wait until the environment does it for us. Briefly address each scenario. Which methods would result in a successful global decline in birthrate? Which environmental events are the alternatives?

Carrying capacity is ____.

A population's ____ occurs under ideal, unrealistic conditions.

Which group exhibits the longest generation time?

Why do species with large body sizes typically have lower population densities?

For the bay checkerspot butterfly, a poor flyer, to recolonize small patch habitats, the new habitats must be ____.

A population's ____ is the number of individuals in the population at a specific time.

Which characteristics are consistent with a K -selected species? Where do humans fall on the r through K continuum?

Population growth of rabbits in Australia can best be described as ____.

To estimate population size using the mark-release-recapture method, ____ samples must be captured.

Which of these species' population growth rate is least affected by the number of males?

Which phenotypic effects does crowding have on the migratory locust? How are these changes adaptive?