Broward Community College Trophic Cascades Questions
Go to the following web link- http://media.hhmi.org/biointeractive/click/trophiccascades/?_ga=2.71133017.874546303.1495559246-1279517233.1480957413
- Complete the first slides of the introduction. Next, follow the first example of sea otters, and answer the following questions.
- Choose 1 of the case studies provided and write a summary of what happens when:
- the top predator is present,
- including direct, indirect,
- positive and negative effects.
- Complete what happens when the top predator is removed.
- What does the otter eat? _________________
- How does the consumption by the otter affect the growth of the Kelp forest?
- Is this a direct or indirect effect? _________________
- Is this a positive or negative effect?_________________
- What happened to the kelp forest when the otter was hunted to near extinction?
- How did the gull diet change with the removal of the otter from the ecosystem?
- How did the eagle diet change with the removal of the otter from the ecosystem?
Removal of the sea otter, a top predator also had an impact on two other species, the gull and the Eagle.
