1. Competition and Limiting Factors Review

2. What organism is the primary producer in this food web?
Phytoplankton

3. Which two organisms are competing for the seals as a food source?
Sharks & Killer Whales

4. What organism is the highest predator in this food web?
Killer Whales

5. Thrush, Rabbit, Squirrel, Mouse
If all the hawks die off due to the bird flu, what animals would have an increase in population?
Thrush, Rabbit, Squirrel, Mouse

6. The population of grasses and shrubs would decrease.
If the rabbit population grows too quickly, what would happen to the population of grasses and shrubs?
The population of grasses and shrubs would decrease.

7. Put the words into the correct blanks: Energy Prey Predator

8. Biotic or Abiotic?
Abiotic

9. Biotic or Abiotic?
Abiotic

10. Biotic or Abiotic?
Biotic

11. Biotic or Abiotic?
Biotic

12. Biotic or Abiotic?
Abiotic

13. What is competition?
When one or more individual or population tries to use the same resource

14. What are limiting factors?
Anything that restricts the number of individuals in a population

15. What are producers?
Anything that only uses sunlight as a energy source and makes its own food

16. What do producers need to survive?
Sunlight, Water, Minerals from Soil, Space

17. What are consumers?
Anything that has to “eat” another thing to survive

18. Why should we NOT overfish in an environment like this one?
Overfishing might lead to a lack of food for the Egret or Heron.

19. What might happen if the fertilizer we put on the terrestrial plants washes into the water and poisons the aquatic plants?
If the aquatic plants die, then all the aquatic animals would have a reduction in population.