Name:____________________________
Date:____________________
Period:_______
Ecosystem, Food Chain/Web and Energy Pyramid Review WS
1.____________________, ___________________ & __________________ show how energy flows through an
ecosystem.
2.Create a food chain using the following organisms- (Do not draw the organisms, just write their names)
Grasshopper, Hawk, Lizard, Grass
3. Using a different color pen or pencil, label the producers, primary consumers, secondary consumers and
tertiary consumers in the food chain above.
4. Create a food web using the following organisms- (Do not draw the organisms, just write their names)
Spiders, Toads, Insects, Plants, Owl, Snake, Deer, Mice
5. Label the producers, primary consumers, secondary consumers and tertiary consumers in the food web
above using a different color pen/pencil.
6. In the food chain above, what organism has the most energy?______________________
7. In the food chain above, what organism has the least amount of energy?________________________
8. Explain how are a food chains and food webs alike?
9. Explain how are a food chain and a food web different?
10. Create an energy pyramid based on the organisms in question #4.
11. Label the producers, primary consumers, secondary consumers and tertiary consumers in the energy
pyramid above.
12. Explain how energy pyramids are like food chains and food webs
13. What organism has the most energy in an energy pyramid?__________________
14. What organism has the least amount of energy in an energy pyramid?___________________
15. Which type of organism uses light energy to create its own food-producers or consumers?_________
16. Which type of organism gets its energy from eating other organisms?___________________
17. What type of energy do producers use to get energy?_______________
18. When a consumer eats a producer, what type of energy are they using?________________
19. Write the energy transfer from the Sun to producers to consumers.
20. What is the main source of energy for all food chains and webs?_________________
23. All of the living organisms with nonliving environment is describing an ___________________.
24.________________ are living factors of an ecosystem.
25.__________________ are nonliving factors of an ecosystem.
26. Organisms of the same species living in the same area make up a _______________________.
27. Describe the relationship between a mountain lion and a rabbit in a desert environment.
28. What is biodiversity and why is it important?
29. What adaptations do animals need to live in the:
a. desertb. tundrac. rainforestLook at the food web to the right to answer the following questions
30. Draw the arrows going in the correct direction
31. How many producers are in this web? ______
32. a. How would the snake population be affected if the mouse
Population decreased due to a disease?
b. how might this change affect the grasshopper?
34. How would a drought affect the secondary consumers?
35. How would the organisms to the right be affected if the sun
Was blocked for several weeks by ash from a volcanic eruption
36. what is the primary source of energy?