Salmon's cycle of life task 1 question

Given is the flow chart providing information regarding the special group of fish named Salmon from birth to maturity. Overall, it is starkly apparent that salmon’s life cycle would be completed after passing three general steps. At closer scrutinize, it can be observed that the cycle commences when adult fish lay off their eggs in the upper part of the river between tiny stones and reeds where the flow of water is tranquil. After 5 or 6 months, the baby salmon called “Fry” hatches the egg. At this stage, their length is 3-8 cm. Then these little fish migrate to the lower part of the river where water flow is faster and spend about 4 years to turn into “Smolt” with 12-15 cm length. During the next stage, smolts start their travel to open sea and would live there circa 5 years until become mature. Now, they are called “Adult salmon” and are as big as 73 cm on average. This cycle comes to end when adult salmons return to the river again to lay eggs.