

Population Dynamics and Stability Concepts
Interactive Video
•
Biology, Science, Mathematics
•
6th - 8th 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 is always happening in a population, even if the size doesn't change?
Only births
Only deaths
Both births and deaths
Neither births nor deaths
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the token model, what do the tokens represent?
Different species
Individual organisms
Food resources
Environmental factors
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many births and deaths can you choose per year in the token model?
1 to 2
1 to 3
2 to 4
3 to 5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the population size when the number of births equals the number of deaths?
The population size decreases
The population size fluctuates
The population size increases
The population size remains stable
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a flat line on a population graph indicate?
Population increase
Population decrease
Population stability
Population extinction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What tool do ecologists commonly use to show data about populations?
Bar graphs
Pie charts
Line graphs
Scatter plots
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the key concept that explains a system can be stable even with changes?
Population control
Dynamic balance
Stability and change
Equilibrium
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