Topic 3: Energy Flow
Homework 1
1. What does a food chain show?
(1)
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2. Explain why a food web provides a more complete picture when compared to a
food chain.
(1)
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3. Describe the ways in which energy is lost through a food chain/web.
(2)
__________________________________________________________
__________________________________________________________
__________________________________________________________
4. Match each term to its correct definition using a ruler.
Producer
Animals which eat plants only
Consumer
Green Plants
Herbivore
Animal which eats both plants and animals
Carnivore
Competition between the same species
(7)
Omnivore
Animal which is second, third or fourth in a food chain
Interspecific
Competition between different species
Intraspecific
Animals which eat other animals/ meat
5. Define what is meant by co-operative hunting in animals using an example you
have studies.
(2)
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_________________________________________________________
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Total:
/13