Food Webs and Interdependence — Quiz
1.
How is a food web different from a food chain?
2.
What is the term for the idea that all living things in an ecosystem depend on each other?
3.
Sea otters eat sea urchins. Sea urchins eat kelp. What would happen if all sea otters disappeared?
4.
What is mutualism?
5.
Which human activity can disrupt ocean food webs by removing key species?
6.
Name one way that humans negatively impact food webs.
7.
What happens to predator populations when prey populations decrease?