If the mass of the bird is 7.0 kg, the mass of the fish is 0.70 kg, and the bird coasts with a speed of 6.9 m/s before grabbing, what is the speed of the bird after grabbing the fish (include units)?

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?