Balance in Ecosystems Worksheet
1. What might happen to the producers if the Bacteria are removed from this
ecosystem?
2. What might happen to the star cactus if the number of hawks and tarantulas are
reduced?
3. Which organisms can be classified as both secondary and tertiary consumers?
4. What are some things that limit biodiversity in this Desert Biome?
5. List all the tertiary consumers in this food web.
6. What would happen to the lizards if the number of grasshoppers drastically
decreased?
7. What role do the bacteria play in this food web? Why are they so important?
8. Where does the initial energy for the plants come from?
9. If the grass made 15,000 kcal of energy, how much does the lizard get after eating a
grasshopper?
10. If the Star cactus makes 21,453 kcal of energy, how much energy does the snake
receive after eating a tarantula that ate a kangaroo rat?