50. Population Ecology

What is the term used for the pattern of spacing of a population within an area?

To calculate the human population density of your community, you would need to know the number of people living there and __________.

Which of the following choices is an expression of a population density?

When needed resources are unevenly distributed, organisms often show a(n) __________ dispersion pattern.

Organisms that live in a homogenous abiotic environment and cooperate to avoid being eaten would likely show a(n) __________ pattern of dispersion.

Herring gulls fiercely defend the areas around their nests in cliff-top breeding colonies. Within the colony they would show a __________ dispersion pattern.

Pine trees in a forest tend to shade and kill pine seedlings that sprout nearby. This causes the pine trees to __________.

What may a demographer study?

Life tables typically follow the fate of a cohort, a __________.

An oak tree produces thousands of acorns, but very few grow into mature oak trees. The oak tree exhibits a __________ survivorship curve.

Chimpanzees have a relatively low birth rate. They care for their young, and most chimps live a long life. The chimp survivorship curve would look like __________.

Which of the following describes the distribution of survivorship or mortality for a population that has a Type II survivorship curve?

Kingfish, Louisiana, had a population of 1,100 individuals. They had a birth rate of 12/100, a death rate of 8/100, and an emigration (individuals leaving the population) rate of 2/100. How many people were added to Kingfish's population in one year?

To calculate the __________ of a nation, researchers summarize arable land, pasture, fossil energy land, and several other factors appropriated by each nation to produce all of the resources it consumes and to absorb all the waste it generates.

What absolutely essential resource is likely to limit the carrying capacity of Earth for humans?