The diagrams below show the life cycle of a species of large fish called the salmon. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The pictures illustrate a cyclical process that the life cycle of

salmon

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.

Overall

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, the

salmon

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involves in the third

stage

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, which begins with birth, growing to become adults and ends with becoming adults.

First,

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in the birth

stage

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,

salmon

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have laid their eggs in the upper river where water is at a slow-moving pace. They usually lie under the reeds and beside the small stones.

This

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stage

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takes about 3 to 6 months to grow as small

salmon

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the length is between 3 to 8 cm.

Subsequently

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, the small size of

salmon

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keeps enlarging to smelting, and they move from the lower river to the sea. It takes 3 years for growing up to become an adult. The

last

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stage

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is the adult

stage

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for

salmon

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, in which 3 years is used for their development. In

this

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stage

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, the length of adult

salmon

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has been length from 70 to 76 cm, which is nearly 5 times bigger than the previous

stage

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.