What general trends can you identify in the evolution of the vertebrate brain?

Which sequence of events in human evolution is most widely accepted? A.   increase in brain size, tool-use, bipedalism, movement out of Africa B.   tool-use, bipedalism, increase in brain size, use of fire C.   bipedalism, increase in brain size, tool-use D.   tool-use, use of fire, increase in brain size E.   bipedalism, tool-use, increase in brain size How do we know that the footprints discovered by Mary Leakey’s team at the site of Laetoli are those of bipedal hominids?     A.   There is no evidence of a divergent big toe B.   The stride width and length were similar to modern humans C.   There is evidence of an arch D.   all of these E.   A and C only   Which of the following were the first to arrive to the Western Hemisphere? A.   Modern Homo sapiens B.   Archaic Homo sapiens C.   Homo erectus D.   Neanderthals

Examine the image of the relatedness of vertebrates represented in this phylogenetic tree. Which statements are correctly inferred from this tree? Select all that apply.   A) The mammals are the outgroup in this tree.     B) Birds and dinosaurs share a recent common ancestor.     C) Mammals and birds are more closely related than any other species.     D) Turtles are equally as diverged from lizards and snakes as they are from crocodiles.     E) Lizards and snakes are more recently diverged from each other than they are from crocodiles.

What traits are associated with all primates (including Neanderthals and humans)?

According to Louis Leakey behaviors that are common to modern humans and modern chimpanzees would be present in our common ancestor. Give  3 key behaviors behaviors that are likely to be present in early humans?