General Biology · free preview
Chapter 20: Phylogenies and the History of Life
This bee and *Echinacea* flower (Figure 20.1) could not look more different, yet they are related, as are all living organisms on Earth.
1. Chapter 20: Phylogenies and the History of Life
Chapter 20: Phylogenies and the History of Life
2. Key terms check
Which key term matches this definition?
(also, homoplasy) characteristic that is similar between organisms by convergent evolution, not due to the same evolutionary path
3. Key terms check
Which key term matches this definition?
branch on a phylogenetic tree that has not diverged significantly from the root ancestor
4. Key terms check
Which key term matches this definition?
system of two-part scientific names for an organism, which includes genus and species names
5. Key terms check
Which key term matches this definition?
node on a phylogenetic tree where a single lineage splits into distinct new ones
Practice this interactively
Free account · instant grading · spaced review that schedules itself.
Start this course for free