On the Caribbean islands, lizards expanded into different niches instead of competing for resources. Scholars discuss and learn from experts in a video how scientists prove the theory. They build phylogenetic trees based on appearances...

High schoolers explore the classification system of organisms: taxonomy. They examine prepared slides of Protozoans and record information on a Taxonomy Recording Sheet. Two additional classifying activities are also included in this...

High schoolers study a list of cars and trucks and think about characteristics that can be used to show an "evolutionary relationship". From the characteristics they identity, students construct a phylogenetic tree to show how the...