wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Ecosystem Challenges

Total questions: 26

Worksheet time: 15mins

Name
Class
Date
1.

Biodiversity simply means ____________________.

a)

a variety of life

b)

a variety of plants

c)

a variety of animals

d)

a variety of human race

2.

Which of the following human activities positively affects the biodiversity?

a)

Hunting

b)

Planting

c)

Overharvesting

d)

Illegal logging

3.

Endangered animals are _____________________.

a)

at risk of extinction

b)

captured in the zoo

c)

living in wildlife

d)

at risk of communicable disease

4.

Which of the following is an abiotic factor?

a)

Animals

b)

Plants

c)

Fungi

d)

Water

5.

Environmental issues in many rainforests:

a)

Deforestation and Agriculture

b)

Deforestation and Recycling

c)

Agriculture and Drought

d)

Volcanoes and Drought

6.

The primary cause of invasive species is:

a)

human activity

b)

weather

c)

predation

d)

volcanic activity

7.
After a forest fire, an ecosystem would start regrowth through -
a)
primary succession
b)
secondary succession
c)
climax community
d)
limiting factors
8.
Which catastrophic event will most likely have the effect of returning an ecosystem to primary succession?
a)
A tornado
b)
A volcanic eruption
c)
A flood
d)
A drought
9.
Which human activity contributes the MOST carbon dioxide to the atmosphere?
a)
Fishing
b)
Breathing
c)
Burning Fossil Fuels
d)
Farming
10.

Pollution can cause harm to the ___________.

a)

air

b)

land

c)

water

d)

air, water, and land

11.
Which of the following issues is the cause of the other environmental impacts caused by humans?
a)
pollution
b)
human population growth
c)
climate change
d)
habitat destruction 
12.
The introduction of Alien species affects biodiversity negatively if the alien species;
a)
has a faster growth rate than native species
b)
outcompetes the native species for resources
c)
carries a new pathogen into the native species habitat
d)
all of the above.
13.

the breaking of habitats into smaller pieces is called...

a)

habitat division

b)

habitat pollution

c)

habitat corruption

d)

habitat fragmentation

14.
The practice of harvesting or hunting to such a degree that remaining individuals may not be able to replenish the population is called _____.
a)
biomagnification
b)
overexploitation
c)
edge effects
d)
natural resource
15.
Species that are only found in a specific geographic area are _______.
a)
Introduced species
b)
Local species
c)
Endemic 
d)
Biodiversity hot spot
16.
The number of different species and the abundance of each species in a biological community.
a)
genetic diversity
b)
ecosystem diversity
c)
extinction
d)
species diversity
17.
What is an invasive species?
a)
A native (naturally found) species which are added to an area. 
b)
A non-native (not naturally found) species added to an area. 
c)
A keystone species in an environment
d)
none of the above
18.

Primary succession could begin after:

a)

a lava flow or volcanic eruption

b)

a thunderstorm

c)

the winter season

d)

a fire

19.

Illegal hunting of animals is:

a)

succession

b)

poaching

c)

agriculture

d)

habitat fragmentation

20.

A species whose numbers can warn us of changes that could cause local extinction is a(n):

a)

bioindicator

b)

invasive species

c)

keystone species

d)

endangered species

21.

A population is

a)

a group of similar species in different areas

b)

a group of the same species in the same geographic area.

c)

a group of several species in the same geographic area

d)

a group of several species along with their abiotic factors in a small area.

22.

Succession that occurs in areas that previously didn't support life, such as on rocks or ice

a)

tangential succession

b)

primary succession

c)

secondary succession

d)

quaternary succession

23.

A common type of succession that occurs where an event such as a forest fire has occurred, or a farmer's field has been abandoned is called

a)

common succession

b)

primary succession

c)

secondary succession

d)

Quaternary succession

24.

a species that is not native to a particular region and has no natural predators and little competition

a)

consumer species

b)

producer species

c)

invasive species

d)

adapted species

25.

A species that is likely to become extinct if protective measures are not taken immediately is known as

a)

extinct species

b)

endemic species

c)

keystone species

d)

endangered species

26.

Species that are clearly critical to the functioning of an ecosystem are known as

a)

biodiversity

b)

keystone species

c)

main species

d)

native species

Similar Resources on Wayground

Scope and Delimitation

23 questions

Scope and Delimitation

quiz

Worksheet

•

9th Grade

science 4

21 questions

science 4

quiz

Worksheet

•

KG - Professional Dev...

1ra Revolución de la Química y Compuestos y Elementos

24 questions

1ra Revolución de la Química y Compuestos y Elementos

quiz

Worksheet

•

9th - 12th Grade

The Lymphatic System and Body Defences

21 questions

The Lymphatic System and Body Defences

quiz

Worksheet

•

12th Grade - University

BiG 3r. Tema 6: Sistema endocrí i aparell locomotor

26 questions

BiG 3r. Tema 6: Sistema endocrí i aparell locomotor

quiz

Worksheet

•

9th Grade

FINAL TEST: TANAH

25 questions

FINAL TEST: TANAH

quiz

Worksheet

•

9th Grade

TRANSPORT IN PLANTS (A)

25 questions

TRANSPORT IN PLANTS (A)

quiz

Worksheet

•

11th - 12th Grade

PTS Ganjil Biologi X

25 questions

PTS Ganjil Biologi X

quiz

Worksheet

•

10th Grade