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WorksheetsPopulation Dynamics
Total questions: 15
Worksheet time: 30mins
Name
Class
Date
1.
Immigration occurs when individuals are added to a population
a)
true
b)
false
2.
Emigration means to "move out"
a)
true
b)
false
3.
A population increases when_________________
a)
individuals die
b)
individuals are born
c)
individuals emigrate
4.
The _________________ is maximum number of individuals of one species that the environment can support.
a)
emigration
b)
limiting factor
c)
carrying capacity
d)
immigration
5.
A part of the environment that keeps a population's size at a level below its full potential is called a _________________ .
a)
cooperation
b)
limiting factor
c)
competition
d)
carrying capacity
6.
Limiting factors can be biotic or abiotic factors
a)
true
b)
false
7.
When two or more individuals or populations try to use the same limited resource (e.g. food, water, shelter, sunlight) it is called_________________
a)
cooperation
b)
symbiosis
c)
competition
d)
limiting factor
8.
___________________ occurs when individuals work together.
a)
immigration
b)
cooperation
c)
carrying capacity
d)
competition
9.
Individuals joining a population is an example of ______________
a)
emigration
b)
immigration
10.
A part of the environment that prevents a population from growing to large is a/n______________
a)
abiotic factor
b)
biotic factor
c)
limiting factor
11.
A population is
a)
a group of communities that exist in different places
b)
a group of organisms of one species that lives in the same area at the same time
c)
a group of people that populate one place at the same time on different planets
12.
What are two ways in which the environment can influence population size?
a)
competition and natural disasters
b)
biomes and ecosystems
13.
Which of the following is density-independent limiting factor?
a)
disease
b)
competition
c)
earthquake
d)
predation
14.
Owls and snakes eat mice and other organisms. What would happen to the mice population if the owl population decreased?
a)
The population would decrease, as the loss of owls as part of their diet is a limiting factor.
b)
The population would decrease, as shelters created by owl nests is a limiting factor.
c)
The population would increase, as competition for food is a limiting factor.
d)
The population would increase, as predation by owls is a limiting factor.
15.
The struggle between organisms to survive in a habitat with limited resources is called
a)
competition.
b)
predation.
c)
symbiosis.
d)
parasitism.
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