1. 1a) The Chinook is blue-green or purple on the back and top of the head with silvery sides and white belly surfaces. 2b) It has black spots on its tail and the upper half of its body. Its mouth is often dark purple. 3c) Adult fish range in size from 83.82cm to 91.44cm, but may be up to 147cm in length. 4d) Their average weight is about 4.5 to 23 kg but may reach to 59 kg. Chinook salmon’s life span is 3-7years 5e) They are lightly spotted on their blue-green back. 2. The female digs a nesting hole (also called a redd). She then deposits thousands of eggs in the redd before the male releases his sperm and the sperm will go towards the eggs and fertilize it. After mating, the male and females stand guard over the eggs to protect them from predators. 3. It is because the chances of the young being eaten is very high, so if the Chinook only have one offspring at a time. It will probably be eaten, so to ensure the continuity of it species, the salmons must lay a lot of eggs so as not for its entire offspring to die. Chinook salmon