What are the prey and what are the predators in the predator-prey relationship on isle royale?

The deserts of the sahara and australia are associated with

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?