Exam-style Questions: Environment
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Arrange this food chain in the correct order, starting with the producer:
Ladybird/Hawk/Greenfly/Rose bush/Sparrow
(Marks available: 5)
Answer outline and marking scheme for question: 1
a) Rose bush
b) Greenfly
c) Ladybird
d) Sparrow
e) Hawk
(Total = 5 marks)
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What does the width of each trophic level tell you?
(Marks available: 1)
Answer outline and marking scheme for question: 1
How many there are of each type of organism.
(Total = 1 marks)
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Give the main survival advantage of each of the following adaptations:
For example, a rabbit's large ears allow it to hear predators from far away.
a) A polar bear's white coat;
b) A hedgehog's spikes;
c) A cheetah's bendy spine;
d) An eagle's sharp claws;
e) A lion's powerful teeth.
(Marks available: 5)
Answer outline and marking scheme for question: 1
a) Camouflaged body so its prey doesn't see it creeping up in the snow;
b) Protection from predators;
c) Flexibility allows the cheetah to reach its maximum speed quickly and smoothly;
d) So it can dive down and grab its prey quickly and not drop it;
e) So it can tear and grind meat easily.
(Total = 5 marks)