Why does cancer occur? why is it detrimental to an organism's cell?

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

How is the carbon cycle related to global warming ?

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.