Discuss: How old are the oldest camel fossils shown? How has the skull changed over time? How have the teeth changed over time? How have the leg bones changed over time?

Was the ancestor of all dinosaurs feathered or scaly?  What character condition did you get? use the picture below.

How does genetic analyses of fossils help us understand human evolution better than just examining skulls?

How did the characteristic differences between aquatic and terres-trial environments influence the early evolution of tetrapods?

Can you ID ancestral skulls and non-human primate skulls? At least, which is older?

Along comes Dr Phil Bell and deep in the mines of Lightning Ridge, finds an amazingly preserved pterosaur that preserves feathers. He hypothesises that this means that feathers must have evolved before the origin of dinosaurs and therefore must have been primitive. How would you go about testing this hypothesis of feather origins?

Which stage of chimpanzee development is most similar to adult Ardipithecus ramidus? To adult Australopithecus afarensis? To adult Homo sapiens? What do these observations suggest with regards to developmental timing?