

Population Dynamics and Density Factors
Interactive Video
•
Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two types of factors that regulate population numbers in ecology?
Density dependent and independent factors
Biotic and abiotic factors
Intrinsic and extrinsic factors
Primary and secondary factors
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does an increase in population affect competition for resources?
It stabilizes competition
It increases competition
It decreases competition
It has no effect on competition
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a density dependent factor?
Flooding
Temperature change
Forest fires
Disease
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to a population when a density dependent factor becomes less important?
The population remains unchanged
The population increases
The population stabilizes
The population decreases
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor affects populations regardless of their size?
Intrinsic factors
Extrinsic factors
Density dependent factors
Density independent factors
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which event is an example of a density independent factor?
Competition for food
Spread of disease
Parasitism
Forest fire
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can a dramatic temperature change affect a population?
It has no effect on the population
It can decrease the population
It stabilizes the population
It can increase the population
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