buat ke passive voice

1. The body is divided into four parts by scientists
2. The energy is released by the body in the form of light
5. The eggs are laid by the birds on big trees
6. The bird is hunted by people in summer
7. Many kinds of animals are killed by people every year
8. Many other species are treated by the government in zoos
4. These insects are eaten by frogs as the source of protein