Which of the following statements about Homo erectus is FALSE?

Select one:
a. H. erectus was the first hominin to have a projecting nose with downward-pointing nostrils
b. Some researchers believe that the H. erectus populations in East Asia and Africa should be classified as different species: H. erectus and H. ergaster
c. H. erectus had larger brow ridges than earlier hominins
d. From studies of its dental characteristics, H. erectus is thought to have been vegetarian