Relation qui existe entre le cycle ovarien et la production des hormones

What protects the lining of the stomach from acidic gastric juices?

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.

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.