CH26 assignments

CHAPTER 26: The History of Life on Earth and the Tree of Life

Reading: p. 512-531

Vocabulary: definitions for the bolded words in the CH25 text:

protobionts, ribozymes, radiometric dating, geologic record, stromatolites, serial endosymbiosis, three-domain system

Questions: #1-2 p.523, #1 p.525, #2 p.528