Science 10
Unit 1: Life Science – Sustainability of Ecosystems
Ecologist:_________________________________
Answer the following questions using the diagram below.
BLM 1-1
1. What does the diagram show? ________________________________________________________________
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2. Which organisms are the producers? _____________________________________________________________
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3. Give an example of an aquatic herbivore._________________________________________________________
4. Give an example of a terrestrial herbivore. _________________________________________________________
5. Which organism is the top carnivore in the terrestrial ecosystem?______________________________________
6. Give an example of an organism in the second trophic level. __________________________________________
7. What is another term for “vegetarian organisms”? __________________________________________________
8. In which trophic level is the snake? _______________________________________________________________
9. Define the term “top carnivore.” _________________________________________________________________
10. Define the term “omnivore.” ___________________________________________________________________
11. Which organism is clearly an omnivore? __________________________________________________________
Science 10
Unit 1: Life Science – Sustainability of Ecosystems
Recognising the Flow of Energy in Food Webs