Principles of Life 3e Student Resources is no longer available and it was replaced by Biology and Life Sciences.
Media Clip 14.1 Morphing Arachnids
This video shows an animation of a phylogenetic tree of selected arachnids along with an animation that shows what the ancestral species may have looked like at different points in the tree. [Note: This video has no sound.]
Please note: If you have been assigned this activity by your instructor, you must complete it within LaunchPad (or your school's learning management system) in order to receive credit.
Morphing Arachnids
Textbook Reference: 14.1 All of Life Is Connected through Its Evolutionary History