8 LIFE SCIENCES P2
EC/NOVEMBER 2017)
SECTION B
MA
QUESTION 2
2.1
Study the ecosystem below and answer the questions which follow.
fox
weasel
hawk
thrush
mouse
squirrel
rabbit
caterpillar
shrubs
grass
mushrooms
(www. phinglink. com]
2.1.1
From the food web above name:
(a)
ONE producer
(2)
(b)
TWO secondary consumers
2.1.2
Use a food chain from the above ecosystem to draw a fully labelled
pyramid of energy with FOUR trophic levels.
(7)
2.1.3
What would happen if all the weasels were removed from the
ecosystem?
(2)
TOOT
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