Skulls of
(1) modern gorilla,
(2) australopithecus afarensis,
(3) homo erectus,
(4) homo neanderthalensis,
(5) homo sapiens

based on the diagram, which of the following best describes ways in which the physical appearance of h. neandertalensis and h. sapiens differ?

a. h. neandertalensis had a heavier brow ridge and less pronounced chin than h. sapiens.
b. h. neandertalensis had a larger brain and smaller jaw than h. sapiens.
c. h. neandertalensis had lighter bones and less body bulk than h. sapiens.
d. h. neandertalensis had smaller teeth and a larger forehead than h. sapiens.