An ecosystem is shown in the illustration. Assume that human activities have led to a decrease in the number of eagles. A virus attack on rabbits has led to a decrease in their population in the ecosystem. Which two sentences describe likely effects on the ecosystem?

When it is summer at the south pole, a. the northern hemisphere is tilted toward the sun. b. the southern hemisphere is tilted away from the sun. c. the northern hemisphere is tilted away from the sun. d. both the southern and northern hemispheres are tilted toward the sun.