WorksheetsPopulation Size and Change
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
The total number of organisms in a population.
a)
Population Size
b)
632,000
c)
Immigration
d)
Community
2.
2 factors which increase population size
a)
Birth Rate, Immigration
b)
Death Rate, Immigration
c)
Birth Rate, Emigration
d)
Death Rate, Emigration
3.
What do you call the population size represented by the dashed-Line
a)
Carrying Capacity
b)
Limiting Factor
c)
Ecosystem
d)
Death Rate
4.
What type of population change does this graph represent
a)
Exponential Growth
b)
Massive Die-off
c)
Linear Growth
d)
Decrease in Birth-Rate
5.
The number of organisms in a population which die each year
a)
Death Rate
b)
Birth Rate
c)
Immigration
d)
Emigration
6.
When organisms move into and join a new population
a)
Immigration
b)
Birth Rate
c)
Death Rate
d)
Emigration
7.
When organisms leave a population and move away
a)
Emigration
b)
Immigration
c)
Birth Rate
d)
Death Rate
8.
The number of organisms in a population that an ecosystem can support
a)
Carrying Capacity
b)
Limiting Factor
c)
Birth Rate
d)
Ecology
9.
2 factors which decrease population size
a)
Birth Rate, Immigration
b)
Death Rate, Immigration
c)
Birth Rate, Emigration
d)
Death Rate, Emigration
10.
From 1901-1981 how would you describe the Raven Population
a)
Below Carrying Capacity
b)
Above Carrying Capacity
c)
At Carrying Capacity
d)
Bird-Like
11.
In 1975 how would you describe the Wolf Population
a)
Above Carrying Capacity
b)
Below Carrying Capacity
c)
At carrying Capacity
d)
Mr. Samuelson's Mom
12.
When population is above the carrying capacity in the future you would expect...
a)
Limited Resources and High Competition
b)
Unlimited Resources and Low Competition
13.
If you have unlimited resources what would you expect to happen to population size
a)
Go Up
b)
Go Down
c)
Stay the Same
14.
Birth Rate 20, Death Rate 50
How will the population change
How will the population change
a)
Increase
b)
Decrease
c)
Stay the same
15.
Beginning Population 100, Birth Rate 20, Death Rate 40, Immigration 5, Emigration 10.
Final Population Size?
Final Population Size?
a)
75
b)
65
c)
120
d)
This question is dumb... There is no relationship between Math and Science
16.
The amount of organisms born into a population
a)
Birth Rate
b)
Death Rate
c)
Immigration
d)
Emigration
17.
Immigration >Emigration
Population will...
Population will...
a)
Increase
b)
Decrease
c)
Stay the same
18.
A substance needed by an organism for survival
a)
Competition
b)
Carrying Capacity
c)
Cheetos
d)
Resource
19.
The resource which limits the number of organisms in the population
a)
Limiting Factor
b)
Carrying Capacity
c)
Death Rate
d)
Exponential Growth
20.
In a desert ecosystem what is the most likely limiting factor for plants
a)
Sunlight
b)
Sand
c)
Water
d)
Food
100 %
