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KS3 - Ecosystems

Total questions: 51

Worksheet time: 35mins

Name
Class
Date
1.
A __________ includes all living and non-living things in an environment. 
a)
population
b)
niche
c)
abitotic
d)
ecosystem
2.
Which group do fungi, bacteria, and termites belong to?
a)
decomposers
b)
producers
c)
herbivores
d)
omnivores
3.
Which organism make their own food through the process of photosynthesis? 
a)
decomposer
b)
consumer
c)
herbivore
d)
producer 
4.
Field mice eat corn. Which would most likely happen if the field mouse population grew?
a)
There would be more corn to feed the field mice.
b)
There would be less corn due to the mice eating it.
c)
The habitat would get overpopulated because the mice woudl eat too much.
5.
Which describes a decomposer?
a)
an organism that eats only plants
b)
an organism that makes its own food
c)
an organism that breaks down dead matter
d)
an organism that recieves energy from the sun
6.
If the population of prey increases, the population of predators will ________because of the availability of food.
a)
decrease
b)
stay the same
c)
increase
7.
What are interconnected food chains called?
a)
consumers
b)
predators
c)
food web
8.
Examples of how humans negatively affect local ecosystems are
a)
Building dams, deforestation (cutting down trees), adding point sources to nearby streams to allow for run-off, building roads and structures, and salting roads.
b)
Creating laws to prohibit fishing from local streams.
c)
Planting trees and other plants to attract native species.
d)
Removing non-native species from the environment.
9.
All food chains_____________________
a)
have more consumers than producers
b)
produce and use same amount of energy
c)
begin with a producer
d)
are unhealthy 
10.
How does energy enter an ecosystem? 
a)
sunlight
b)
soil 
c)
animals 
d)
invasive species 
11.
There are ecosystems within the Tropical Rainforest.
a)
True
b)
False
12.
The bottom layer of the Tropical Rainforest is called the 
a)
Emergent Layer.
b)
Canopy.
c)
Understory.
d)
Forest Floor.
13.
Which continents have tropical rainforests?
a)
Europe, Antartica, Israel
b)
South America,Africa, Asia
c)
England, USA, Australia
d)
Japan, Hawaii, Sweeden
14.
Which is the largest rainforest in the world?
a)
The Congo
b)
The Amazon
c)
The Valdivian
d)
The Daintree
15.
What is the main cause of the destruction of the rainforests.
a)
people cut down the trees.
b)
Forest fires
c)
drought
d)
flooding
16.
How does the destruction of the rainforests affect the environment in the rest of the world?
a)
There is less global warming.
b)
It produces more wood for building.
c)
There is not enough land for farming.
d)
There is less oxygen to breath.
17.

This bird lives wild in Central and South America.

a)

toucan

b)

cockatoo

c)

macaw

18.

Name 3 types biomes which you have studied

a)

Tundra

b)

Temperate Forest

c)

Hot Deserts

d)

Volcanoes

19.

Which Biome does the UK fit into?

a)

Tundra

b)

Tropical Rainforest

c)

Coniferous Forest (Taiga)

d)

Deciduous Forest (Temperate forest)

20.

Name the correct order for the structure of a TRF (bottom to top)

a)

Shrub Layer, canopy, under canopy, emergent

b)

Under Canopy, shrub layer, emergent, canopy

c)

Emergent, canopy, shrub layer, under canopy

d)

Shrub Layer, Under Canopy, Canopy, Emergent

21.

Tourism involving small groups with minimal impacts on the environment......

a)

Ecosystem

b)

Mass Tourism

c)

Sustainable Management

d)

Ecotourism

22.

How can we sustainably manage the TRF? (multi-choice)

a)

Selective Logging

b)

Conservation and Education

c)

Mineral Extraction

d)

Ecotourism

23.

Name the Country

a)

Uruguay

b)

Peru

c)

Brazil

d)

Bolivia

24.
Why does the destruction of the Amazon Rainforest threaten the whole world
a)
It produces approximately one fifth of the world's oxygen.
b)
Deforestation contributes to drought conditions in some countries.
c)
It prevents the spread of polluted air and water to other regions.
d)
The crops grown there account for much of the world's food supply.
25.
What is the continent that is yellow?
a)
Africa
b)
Australia
c)
Asia
d)
Antarctica
26.

Deforestation is the (a)   removal of trees to make room on land for non forest use

27.

There are four main causes of deforestation. Logging, mining, farming and (a)   ranching

28.

Selective logging is

a)

a type of tourism which is better for the environment

b)

a way of reducing a countries debt

c)

a method of cutting down trees to focus on older trees

d)

a way of protecting the rainforest by making it illegal to cut in certain areas

29.

Conservation is

a)

a type of tourism which is better for the environment

b)

a way of reducing a countries debt

c)

a method of cutting down trees to focus on older trees

d)

a way of protecting the rainforest by making it illegal to cut in certain areas

30.

Debt Reduction is

a)

a type of tourism which is better for the environment

b)

a way of reducing a countries debt

c)

a method of cutting down trees to focus on older trees

d)

a way of protecting the rainforest by making it illegal to cut in certain areas

31.

Ecotourism is

a)

a type of tourism which is better for the environment

b)

a way of reducing a countries debt

c)

a method of cutting down trees to focus on older trees

d)

a way of protecting the rainforest by making it illegal to cut in certain areas

32.

What is the albedo?

4 lines
33.

How many hectares of the rainforest are lost every day

a)

200,000

b)

250,000

c)

300,000

d)

350,000

34.

In your opinion which is the worst impact of deforestation and why?

4 lines
35.
What is deforestation?
a)
Clearing Earth's forests on a massive scale
b)
Eating too much vegetables
c)
Going to a forest and pulling weeds
d)
Clearing the five trees in my backyard
36.
Deforestation is caused by
a)
agriculture activities
b)
snakes
c)
banks
d)
schools
37.
Deforestation has an affect on the water cycle
a)
true
b)
false
38.

Deforestation causes an increase in atmospheric carbon dioxide

a)

true

b)

false

39.
what is the leading cause of deforestation?
a)
Diseases 
b)
Housing market
c)
Agriculture and Farming
d)
Paper mill
40.
What does deforestation effect?
a)
Plants and animals
b)
Our biosphere
c)
Humans
d)
All of the above
41.
What are the effects of deforestation ?
a)
loss of habitat
b)
increased green house gasses 
c)
soil erosion and flooding
d)
all of the above
42.
Does deforestation contribute to global warming?
a)
No, trees aren't that important
b)
Sometimes because only the cutting down of Maple trees contributes to global warming
c)
No, deforestation adds methane to the atmosphere, which makes the Earth cooler
d)
Yes; less trees means less CO2 is turned into oxygen.
43.
Why does cutting down trees increase global warming?
a)
trees soak up carbon dioxide
b)
trees provide shade which counteracts global warming
c)
trees absorbs the sun's energy without radiating back into the atmosphere
d)
trees drain greenhouse gases like methane from soil
44.

In 2005, the government of Brazil released information showing that over 10,000 square miles of the Amazon rain forest had been destroyed. Cattle ranching is the leading cause of deforestation reported by the Brazilian government. What will most likely be the immediate result of deforestation in the Amazon rain forest?

a)

a decrease in the use of alternative energy

b)

an increase in biodiversity in the region

c)

a decrease in the rate of soil erosion

d)

an increase in atmospheric carbon dioxide

45.

State the year with the highest number of wildfires in Brazil.

a)

2014

b)

2016

c)

2018

d)

2019

46.

Refer to the figure. State the country that is the largest palm oil producer for the year 2016/2017.

a)

Indonesia

b)

Malaysia

c)

Thailand

d)

Columbia

47.

The graph below shows the greenhouse gas emissions by sector for the year 2019. State the percentage of greenhouse gas emissions by agriculture and forestry (logging).

a)

33%

b)

26%

c)

15%

d)

11%

48.

The largest iron ore mine in the world is located at

a)

Carajás National Forest, Brazil

b)

Vevey, Switzerland

c)

Blackforest, Germany

d)

Aokigahara Forest, Japan

49.

Especially in Indonesia and Malaysia, people are cutting forests to grow...

a)

Apple trees

b)

Palm oil trees

c)

Mango trees

d)

Christmas trees

50.

What is this diagram showing?

a)

The ozone layer being destroyed

b)

How sunlight is reflected into space

c)

The Greenhouse Effect

d)

Weather patterns

51.

The leading country of beef and soy exports is _____________.

a)

USA

b)

Brazil

c)

India

d)

China

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