Population Dynamics and Ecological Succession

Quiz
•
Biology
•
9th Grade
•
Hard
+8
Standards-aligned
Charles Martinez
FREE Resource
22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Over the course of a year, a population of 25 penguins gained 5 penguins through births and lost 3 penguins to death. In addition, 10 adult penguins moved into the population through immigration and 6 adult penguins moved out of the population through emigration. What is the yearly growth rate of this population?
19
8
2
6
Tags
NGSS.MS-LS2-1
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following would result from the expansion of a species into a new habitat with no predators and evenly spaced resources? Select ALL correct answers.
logistic growth
uniform dispersion
exponential growth
Type III relationship
partial relief from density-dependent limiting factors
Tags
NGSS.MS-LS2-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What type of interaction is most responsible for energy transfer in food chain?
Competition
Mutualism
Parasitism
Predation
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A non-native species moves into three niches that were once occupied by three different native species and outcompete the native species, producing larger population numbers than the three native species combined. What happens to the biodiversity of an ecosystem?
Biodiversity increases because the number of individuals increases.
Biodiversity decreases because only native species count toward biodiversity in an area.
Biodiversity remains the same.
Biodiversity decreases because the number of species decreases.
Tags
NGSS.HS-LS4-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A scientist counted 200 individual deer in an area of 10 square kilometers. What is the population density?
20 deer per square kilometer
10 deer per square kilometer
2 deer per square kilometer
200 deer per square kilometer
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which method allows ecologists to estimate the population of a species that is motile (moves around)?
Quadrats
Air photos
Mark-recapture
GPS collars
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Predict the conditions that may occur when a population is an exponential growth. Choose ALL correct answers.
Birth rate is greater than death
Birth rate is less than death rate
Immigration rate is greater than emigration rate
Immigration rate is less than emigration rate
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