Question

Exercise 1: Early Versus Later Members of the Genus Homo Part A Review the image below (also on pg. 427) and answer the questions: 1. Which of these mystery fossils is Homo habilis? 2. Which of these mystery fossils is Homo erectus? 3. Describe two traits you used to make these identifications. (Be sure to describe how each trait varies in the two fossils.) The Natural History Museum/Alamy John Reader/Science Source А B

Answer 1

1. Fossil in the image A represents homo habilis.

2. Fossil in the image B represents homo erectus.

3. Homo habilis was early member and homo erectus was the later member of the genus homo. The brain size of homo habilis was shorter than homo erectus. The brain if homo erectus was nearly 50% larger than homo habilis. The teeth of homo habilis was larger than homo erectus.