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?

Explain the events that led to the iranian revolution and the following iranian hostage crisis. how was the united states involved with iran? describe the arab-israeli conflicts of the 20th century. be sure to include specific military interventions, peace agreements, and the ultimate reason for conflict.

8. select a supreme court case that has been particularly important in protecting civil liberties in the united states. in a three-paragraph essay, describe the case and the ruling, then explain how the case demonstrates why it is important that the supreme court is: a. protected from political or public pressure (since justices are appointed rather than elected and serve lifetime terms) b. able to change its interpretations of the law over time (10 points)

What landform is circled in the map above?