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Jugar Test
1. 
Which is the largest ecosystem on Earth?
A.
Desert ecosystem
B.
Marine ecosystem
C.
Tundra ecosystem
2. 
A habitat is
A.
Where an organism lives
B.
only de of non-living things
C.
very hot
3. 
Organisms of the same species within an ecosystem are called
A.
Community
B.
Habitat
C.
Population
4. 
Different populations interact with each other in
A.
Communities
B.
Ecosystems
C.
Habitats
5. 
Emergent layer are usually about
A.
30 or 40 metres tall
B.
50 or 60 metres tall
C.
10 or 20 metres tall
6. 
Order the different layers from the biggest to the smallest
A.
understory layer, canopy layer, emergent layer, forest floor
B.
emergent layer, understory layer, canopy layer, forest floor
C.
emergent layer, canopy layer, understory layer, forest floor
7. 
Invertebrates, fungi and bacteria live in
A.
Canopy layer
B.
Emergent layer
C.
Forest floor
8. 
Permafrost is
A.
a layer of frozen soil
B.
a layer of desert soil
C.
a layer of sand soil
9. 
A snake is a
A.
primary consumer
B.
secondaty consumer
C.
tertiary consumer
10. 
A mouse is a
A.
producer
B.
primary consumer
C.
secondary consumer
11. 
Grass is
A.
A producer
B.
A primary consumer
C.
A tertiary consumer
12. 
Producers are also known as
A.
photosynthesis
B.
autotrophs
C.
decomposers