WorksheetsLimiting Factors
Total questions: 20
Worksheet time: 15mins
Two arctic fox are fighting with a polar bear for a sea lion carcass. One fox distracts the bear while the other eats. What type of limiting factor is the polar bear?
Predator-Prey Relationships
Competition
Herbivory Effect
Weather
A group of elephants gets stuck in mud at the edge of the river from a recent mud slide. A lion waits for an elephant to get tired before it attacks. What is the limiting factor to the elephant population?
Predator-Prey Relationships
Natural Disaster
Herbivory Effect
Competition
Which of these factors do not respond to the density of a population in an ecosystem?
Density Dependent Limiting Factors
Density Independent Limiting Factors
Herbivory Effect
Competition
Which of these limiting factors has an influence on the growth of a population based on its density?
Natural Disasters
Seasonal Changes
Weather
Overcrowding
A student brings home a bull toad from the Amazon in Brazil. It gets fat and ugly so he tosses it in the river. This toad starts competing with local toads for their food, shelter, and space. What kind of limiting factor best represents what happened to the local toads?
Competition
Overcrowding
Natural Disaster
Human Impact
What is a producer?
Organism that makes its own energy
Organism that breaks down dead organisms
Organism that eats other organisms for food & energy
Organism that makes its own food
During which day did this population reach carrying capacity?
Day 2
Day 11
Day 23
Day 35
What happens to the rabbit population on year 4?
It begins to decrease
It stays the same
It increases
It reaches carrying capacity
The graph below shows the number of birds in a population.
Which statement best explains the section X of the graph?
Interbreeding between members of this population increased the mutation rate.
An increase in the bird population caused an increase in the producer population.
The population reached a state of dynamic equilibrium due to limiting factors.
Another species came to the area and provided food for the birds.
Due to stress, large numbers of female lemmings miscarry their young and fail to reproduce.
Density-Dependent
Density-Independent
An extensive drought in the plains threatens wildebeest, giraffe, zebra, and springbok populations.
Density-Dependent
Density-Independent
Which of the following is a density-dependent limiting factor?
human activities
unusual weather
competition
natural disaster
Which of the following would NOT be an example of a density dependent limiting factor?
fire
disease
lack of food
space
Which of the following would NOT be an example of a density independent factor?
predation
tornado
hurricane
fire
A community has had an increase of 5% in their population within the last year. As a result, city officials have planned to build a new commerce center that includes clothing stores, supermarkets, and restaurants. What is the most important consideration the local government should have about the environmental effects of this project prior to approving the plan?
A. If the builder has considered how to spend leftover money to help the environment
B. There should be no environmental considerations as long as the project makes money
C. If the builder has checked the area for endangered species prior to submitting a plan
D. If the builder has an evaluation of the overall impact on biodiversity in the area after the shops are built
