wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Community and Population Ecology

Total questions: 15

Worksheet time: 4mins

Name
Class
Date
1.

Does rat exhibit exponential growth?

a)

TRUE

b)

FALSE

2.

The maximum population size that a particular environment can sustain over time is called carrying capacity.

a)

FALSE

b)

TRUE

3.

The global human population is closest to which one of the following?

a)

15 billion

b)

6 billion

c)

8 billion

d)

9 billion

4.

How many years it takes before the humans reached the 1 billion mark?

a)

120 years

b)

130 years

c)

115 years

d)

110 years

5.

In what year did the average annual growth rate of the human population reached its all-time high?

a)

1970

b)

1980

c)

1990

d)

1960

6.

Age structure diagrams in countries with rapid growth have a?

a)

circular structure

b)

constrictive structure

c)

pyramidal structure

d)

exponential structure

7.

What model of growth does this exhibit?

a)

stationary

b)

logistics

c)

expansive

d)

exponential

8.

What is the other term for "Foundation Species"?

a)

Primary Species

b)

Engineers of Ecosystem

c)

Ecosystem Builders

d)

Provider Species

9.

Give an example of Foundation species:

a)

Beavers

b)

Elephants

c)

Starfish

d)

Alligator

10.

What are the three shape of survival curves?

a)

convex, uniform, concave

b)

convex, diagonal, random

c)

convex, diagonal, concave

11.

What are the three patterns of species distribution?

a)

uniform, concave, random

b)

clumped, random, uniform

c)

clumped, concave, random

12.

Sally wants to know how many flowers are in a 60 m2 field. She throws enough quadrats to cover 20 m2 and finds 35 flowers. Using the equation, how does she calculate the estimated number of flowers in the whole field?

a)

100 flowers

b)

205 flowers

c)

200 flowers

d)

105 flowers

13.

Clyde wants to know how many snails are in a 640 m^2  field. Each quadrat covers 8 m^2  and finds 28 snails. Calculate the estimated number of snails in the whole field.

a)

2240 snails

b)

1240 snails

c)

3240 snails

d)

4240 snails

14.

A biologist is studying the number of springboks that attended the annual rut. On one day, he captured, marked and released 20 springboks. The next day, he captured 32, of which 6 had the original marking made the day before. How many springboks are estimated to have attended the rut?

a)

90.66

b)

107

c)

107.67

d)

105.87

15.

A pest control technician captures and applies ear tags to 23 brown rats, which he then releases. A week later he traps 29 brown rats, 11 of which have ear tags. What is the estimated population of brown rats?

a)

53

b)

70.5

c)

60.64

d)

61