Chapter 15 GOT IT! Questions Flashcards
In a mark-recapture study, the size of a population of interest is estimated by the ______ of marked individuals that are recaptured after one round of trapping has occurred.
percentage
More than half of the human population is found in densely populated urban areas, demonstrating a ________ distribution pattern.
clumped
Exponential growth is growth in proportion to the ________ population.
total
The birth rate in a population is determined by counting the number of _____ that occur in a population in a year, divided by the total _______.
births
population
During the demographic transition of a human population, growth rates climb as ____ rates greatly exceed _____ rates.
birth
death
A population’s carrying capacity is the _______ population size that can be supported indefinitely.
maximum
A decrease in the amount of food available per individual as a population gets larger is an example of a density- ________ factor that affects population growth.
dependent
The graph of human population over time shows an S-shaped curve, indicating that the population may be nearing _______ ________.
carrying capacity
Humans are an unusual species in that when resources levels are high, individuals often choose to have _______ offspring.
fewer
Earth’s entire production of calories that could be consumed by humans is known as ______ ______ production.
net primary
When natural populations exceed their environment’s carrying capacity, they may experience a steep population ________.
crash
Populations with ______ birth rates may experience population cycles of repeated “booms” and “busts”
high
Demographic momentum is the tendency for a population to grow in size even after birth rates and death rates become ______.
equal
A population pyramid allows one to calculate the future growth of a population because it contains information about the proportion of the population that is of __________ _________.
reproductive age
An effective way to reduce human population growth rates in a society is to improve the status of ______ in that society.
women