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Rocky Shore Food Webs
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Rocky Shore Food Webs
🌊 Part 1: Rocky Shore Knowledge
1. Which of these is a producer in the rocky shore food web?
Crab
Seaweed
Blue mussel
Sea snail
2. What is the main source of energy for all rocky shore food webs?
Ocean currents
Sunlight
Rocks
Salt water
3. Which organisms are primary consumers in the rocky shore? (Select all that apply)
Blue mussels
Barnacles
Crabs
Sea snails
4. A food web shows:
Only one feeding relationship
Multiple interconnected feeding relationships
Where animals live
How animals move
🦀 Part 2: Food Web Analysis
5. Complete this food chain from the Timaru rocky shore:
Seaweed → _____________ → Crab → _____________
6. Explain what would happen to the rocky shore food web if all the seaweed disappeared.
7. List three adaptations that help organisms survive in the rocky shore environment:
1. _________________________________
2. _________________________________
3. _________________________________
8. What role do crabs play in the rocky shore food web? Explain your answer.
🌱 Part 3: Environmental Impact
9. Describe one way humans can help protect the Timaru rocky shore ecosystem:
10. Draw a simple food web showing at least 5 organisms from the rocky shore. Use arrows to show energy flow.
11. Challenge Question: Predict what might happen if a new predator fish was introduced to the rocky shore food web. Explain your reasoning.
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