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ES [8.1] How Populations Change in Size

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.
What is a population?
a)
all members of a species that live in an ecosystem
b)
all of the groups in an ecosystem
c)
a family of animals that live in the same group
d)
the biotic and abiotic parts of an ecosystem
2.
Which of the following is an example of a population?
a)
all trees in a forest.
b)
all plants in a forest.
c)
all maple trees in a forest.  
d)
all animals in a forest.
3.
A researcher was interested in the effectiveness of a program to prepare 25 football players from five different teams for a new play-memorizing system. What is the population?
a)
football players
b)
25 football players
c)
5 different teams
d)
professional athletes 
4.
The number of wild horses per square kilometer in a prairie is the horse populations
a)
density.  
b)
dispersion. 
c)
size.    
d)
birth rate.
5.
Which of the following is one of the main properties used to describe a population?
a)
number of individuals
b)
number of species
c)
color of individuals
d)
kind of adaptations
6.
In which of the following patterns of population do organisms have an unpredictable distribution?
a)
Random
b)
Clumped
c)
Uniform
d)
All of the above.
7.
Which of the following is the most common pattern of population distribution?
a)
Random
b)
Clumped
c)
Uniform
d)
All of the above.
8.
In which of the following patterns of population are organisms clustered together in groups?
a)
Random
b)
Clumped
c)
Uniform
d)
All of the above.
9.
Which of the following populations has a random dispersion?
a)
flock of flamingoes
b)
herd of bison
c)
pine trees in a pine forest
d)
solitary snakes in a desert
10.
A _____________ country has a high population density.
a)
sparsely populated 
b)
densely populated
c)
overpopulated
d)
open
11.
If over a long period of time each pair of adults in a population had only two offspring and the offspring lived to reproduce, the population would
a)
grow.
b)
remain the same.
c)
shrink.
d)
disperse randomly.