Question: Two researchers looked at the human influence on atmospheric carbon dioxide levels. Tim studied a human settlement from 10000 years ago, while Bob studied a present day county. Today's economy in the county revolved around extensive agriculture. Which researcher found no evidence of cut forests?
Answer: Tim

Question: Dan studied two islands. Loon island had a very stable environment, and there weren't many diverse species of plants and animals. Wolf island displayed lots of evidence for natural selection, and had a large variety of species inhabiting it. Which island had animals that displayed more unfavorable heritable traits?
Answer: Loon

Question: Pam and Alice studied Earth's climate and vegetation. Pam studied more about high latitudes (70 to 50N), while Alice studied about lower latitudes (30N to 20S). Which person studied more about portions of montane grasslands?
Answer:
Pam