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Paper 2
B7 Ecology
Trophic Levels
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Cards (9)
What are trophic levels?
Different
stages
of the
food
chain consisting of
one or more
organism
that perform a
specific
role in the
food
chain
How are trophic levels named?
Each level is
numbered
in order starting with the
producers
based on how far along the food chain the
organisms
are
What trophic level is a secondary consumer in?
Trophic level
3
What type of organism is in trophic level 2?
Primary
consumer
Carnivores with no predators are always at which point of the food chain?
The
top
What is the term for a predator at the top of the food chain?
Apex
predator
What role do decomposers play in the food chain?
They break down
uneaten
remains and
waste
What are examples of decomposers?
Fungi
Bacteria
How do decomposers decompose dead animals or plants?
They secrete
enzymes
that break down the material into
small
soluble
food
molecules which
diffuse
into the microorganism