Increased CO2 in the atmosphere results in ________

Which of the following were the first humans to move out of Africa?

What is the name for the “thumbs up” dinosaur (thumb was originally on his nose)?

The Homo sapiens subspecies with heavy brow ridges and prognathous chinless jaws that flourished during the Ice Age is called ________.

Questions 13–15 relate to the geologic cross section below. Note that the legend lists rock types in alphabetical, rather than stratigraphic, order. 

South America split from Africa during ________.

Mendel actually discovered ________, but didn’t realize it. 

Concerning relative ages of the granite and sandstone, ________. 

What was formerly called Brontosaurus is now called ________.

About 88% of geological time is represented by the time span informally called the ________.