The embryo began as a fertilized egg: 2 individual gametes joined to produce one diploid cell. once the egg is fertilized, what process is responsible for the development of the embryo?

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?