WorksheetsCh 4 Population Ecology
Total questions: 20
Worksheet time: 10mins
What type of factor?
As the number of cheetahs drops, the number of gazelles increases
density dependent
density independent
What type of factor?
An ice storm kills many ducks
density dependent
density independent
What type of factor?
hurricanes frequently reduce palm tree populations
Density Dependent
Density Independent
What type of factor?
a drought wipes out a seed bearing plant population
Density Dependent
Density Independent
What type of factor?
an island has only enough nesting sights for 6 pairs of pelicans
Density Dependent
Density Independent
Technology has allowed humans to temporarily increase the carrying capacity of Earth.
True
False
Population-limiting factors keep a population from increasing indefinitely.
True
False
Industrially developed countries generally have high population growth rates.
True
False
If Honduras were to experience a low birth rate and death rate in the next five years, it would be undergoing a demographic transition.
True
False
Competition can occur within a species or between two different species.
True
False
People in industrially developed countries use a lot fewer resources than people in developing countries.
True
False
Once the world reaches zero population growth, the age structure will be more balanced.
True
False
What is an example of uniform dispersal?
random elephant groups
school of fish
territorial pair of jaguars
one large herd of buffalo
Which organism follows an r-strategy for reproduction?
robin
zebra
human
fly
Which might increase the human carrying capacity during the 21st century?
widespread fatal diseases
family planning strategies
changing reproductive patterns
new technological advances
What event is correlated with the beginning of exponential growth in human populations?
the invention of agriculture
the start of the industrial revolution
the bubonic plague
the end of WW2
What is an example of population density?
total number of alligators in FL
a country with a large human population
two cougars/100 acres
the maximum number of wolves in a forest
Based on the age structure diagram in Fig. D, this population is showing ___ growth.
slow
fast
stable
declining
Which characteristic is typical of a k-strategist?
produces many offspring
lengthy parental care
generally small organism
short life span
When birth rates = death rates, a country is experiencing
demographic transition
zero growth
inside down growth
fast growth
