Bleecker · Chp 18 Notes
Keep your class sheet beside this companion. Use the numbered help for the part you are working on.
What the class notes emphasize
Use the teacher’s section sequence, diagrams and examples. The links below open only the small idea needed for that part; the original notes remain at the teacher’s link.
Classification
Use the teacher’s hierarchy from broad groups to specific ones. Each step narrows which organisms belong.
Cladograms
Trace back to the branch where two groups share their most recent ancestor. Tip spacing and left-to-right order do not decide relatedness.
Domains kingdoms
Compare cell type, cell number, nutrition and cell walls using the class table.
Molecular evidence
Use the teacher’s diagram and vocabulary for this section.