Why is it important for meiosis to produce cells that are different from eachother and the original parent cell

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.

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

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