What would happen if krill were removed from the aquatic food web above? Write a response in complete sentences in
the space below.
5)
Include the answers to these questions in your response:
a. What is a keystone species?
b. Why are krill a keystone species in some ecosystems?
c. How does the position of the krill in the aquatic food
web above differ from the other organisms?
d. What would happen if krill disappeared from this
ecosystem?