After reading the page What are Evograms? , answer these questions:
- What is a vertebrate?
- "Evograms are diagrams that convey information about ______ a group of __________ and their particular features _________."
- What does homologous mean?
- What is a phylogeny?
- What do you, your sister/brother, your first cousin have in common?
- What do the length of the blue bars represent?
- What do the pink lines represent?
- What are phylogenies based upon?
- How many characteristics are used to develop a phylogeny?
- What characteristic does Ichthyostega, Tulerpeton and tertrapods share?
- Do Ichthyostega, Tulerpeton and tertrapods have a common ancestor?
- Is Ichthyostega the ancestor of Tulerpeton?
- What are outgroups?
- Computer programs are used to build phylogenetic trees based upon the fewest ______.
- Why are evograms important?
- What does the first vertebra allow vertebrates to do? And the second vertebra?
- What is an exaptation? And give an example.
- This evogram covers an important time in the development of life on Earth. What happened during this evogram?
- What was likely the original function of feathers?
- What is a current exaptation for feathers?
- Does the evogram show humans have been on Earth for 360 my?