Population Ecology Quiz
What kind of growth does this countries population pyramid show?
A. slow (stationary growth)
B. rapid (expansive growth)
C. negative (constrictive growth)
Name that population pyramid…
A. Rapid Growth
B. Industrialized Country
C. Declining Growth
D. Stable Growth
What point on the graph represents the carrying capacity?
Any factor(s) that controls/ limits the size of a population.
A. Density dependent limiting factors
B. Limiting factors
C. Density independent limiting factors
D. Environmental Resistance
Name that population pyramid?
A. Stable Growth
B. Developing Country
C. Exponential Growth
D. Negative Growth
Factors like predation can have a positive benefit to the population of prey organisms because predators tend to keep prey populations below their ___________.
A. carrying capacity
B. sustainibility number
C. exponential growth point
D. competition level
You are monitoring four populations of elk. Which has the highest density?
A. You count 200 elk in 100 square kilometers in the mountains.
B. You count 500 elk in 200 square kilometers in the foothills.
C. You count 50 elk in 10 square kilometers along streambanks.
D. You count 100 elk in 50 square kilometers of grassland.
Which of the following is a density-independent limiting factor?
A. natural disaster
A population is…
A. A group of one species in one area
B. Multiple species that live in one area
C. All of the living and nonliving things in an area
D. None of these
Why has the world population dramatically increased?
A. Better medicine
B. Better sanitation
C. Better technology
D. All of the above
True or False: Limiting factors can be population dependent and population independent.
What factor describes when populations decrease because animals are moving out of a population?
B. Limiting Factors
D. Exponential Growth
Humans have been on an exponential growth curve since the…
A. Industrial Revolution
B. Ice Age
C. Jurassic Period
D. Middle Ages
At carrying capacity, a population __________.
A. increases rapidly
B. increases slowly
C. decreases slowly
D. is in dynamic equilibrium
Demography is the study of:
A. world economic conditions
B. mountains and other physical features on the landscape
C. urban areas
D. statistics related to the changing structure of human population
As a population of a species increases within a territory, which of the following most likely also increases?
B. Food supply
C. Carrying capacity
This means that the population is limited to the carrying capacity of its habitat.
A. logistic growth
C. carrying capacity
Which of the following would not be an example of a density independent factor?
When a population grows past the ecosystem’s carrying capacity, what happens to the population?
A. Continues to grow
B. The population starts to die off to return to carrying capcity
C. The population will go extinct due to lack of resources
D. The population grows then finds a new carrying capacity
What does the graph represent?
B. Exponential growth
D. Logistic Growth
This is the most commonly seen distribution pattern. Example: wolves. This is usually because there are resources found in particular areas and the organisms need more space to survive.
an advancement that enabled humans to live longer healthier lives
B. sewage treatment
D. b and c