Indiana University
Ensi: Comparison of Human: Chimpanzee Chromosomes Lesson
This is a great lesson plan that combines Karoytypes and evolution. Young scholars will recognize that the chromosomes of chimpanzees and humans are remarkably similar, then correlate that to their evolutionary relationship.
BiologyWise
Biology Wise: Examples of Homologous Structures
Explains what homologous structures are and how they indicate common ancestry between species. Discusses morphological homology, which refers to anatomical and skeletal similarities, and molecular homology, which refers to common...
BiologyWise
Biology Wise: Synapomorphy
Explains what synapomorphy is by using examples to demonstrate the concept, which plays an important role in the system of cladistics.
Northern Arizona University
Northern Arizona University: Embryos and Evolution
In this lesson, students study the embryos of different organisms at three stages of development to look for features that suggest a common ancestry.
University of Utah
University of Utah: learn.genetics: Foundational Toolkit Genes
Explains how the eyes of very diverse species have a common genetic ancestry.