1. how many cells does the human body have, and how many different types are there? 2. what does the author want readers to imagine as they begin reading? why?

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.