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
10​

ly/XzW3SUN you can get answers

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)