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Describing Populations

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.
The total number of organisms in a population.
a)
Population Size
b)

Population Density

c)
Immigration
d)
Community
2.

The Number of Organisms in a Population per Unit Area

a)

Population Size

b)

Population Density

c)

Population Distribution

d)

Age Structure

3.

How organisms are arranged in an area

a)

Population Number

b)

Population Size

c)

Population Distribution

4.

Population divided by Area =

a)

population density

b)

population growth

5.

What type of distribution pattern is evenly spaced apart from one another?

a)

Uniform

b)

Clumped

c)

Random

d)

Uneven

6.

This is the most commonly seen distribution pattern. Example: wolves. This is usually because there are resources found in particular areas and the organisms need more space to survive.

a)

Random

b)

Uniform

c)

Clumped

d)

Ueven

7.

What are the three types of distribution patterns?

a)

uniform, clumped, random

b)

uniform, uneven, random

c)

uneven, clumped, random

d)

uniform, clumped, uneven

8.
What is the approximate population of men age 65-69 in the US in 2014? (see pyramid)
a)
7.5 million
b)
10.5 million
c)
5 million
d)
12 million
9.
According the population pyramid Canada's population is _______________ 
a)
growing
b)
getting smaller
c)
staying the same 
10.

Name the type of pyramid in the picture.

a)

slow growth

b)

rapid growth

c)

zero growth

d)

negative growth

11.
According to the population pyramid of this country, its population is most likely...
a)
growing slowly.
b)
growing rapidly.
c)
decreasing.
d)
not changing.
12.

Emperior Penguins are territorial birds that have nesting sites that are equally spaced. This is an example of what type of population distribution?

a)

Clumped

b)

Random

c)

Uniform

d)

None of the above

13.

A field biologist counts 35 clover plants in a 1 square meter quadrat. She is trying to estimate the population size in a 100 square meter area.


What is the estimate population of clover?

a)

35

b)

350

c)

3500

d)

3.5

14.

Parrotfish live in harems with 1 male and many females (with the largest female converting to male when the pod loses the male).


What is the sex ratio of parrot fish?

a)

Equal males and females

b)

More males than females

c)

More females than males

15.

If you have 145 zebra per square mile, you are describing the ______________ ?

a)

Population size

b)

Population Density

c)

Population Distribution

d)

Sex Ratio