What is a life cycle? how are all life cycles the same?

Some life cycles are the same like complete and incomplete metamorphosis.

A life cycle is how a organism develops , most life cycles start out the same !

In some developing nations the percentage of the animal protein from fish in the diet can be as high as 25 percent.  about 85% of fish caught is used for human consumption.  the remainder is converted into fishmeal and fish oil.