How is a butterfly similar and different to a human?

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

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?

In what ways does the study of human population differ from the study of wildlife ecology