The diagram below shows the life cycle of the salmon. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Beka

The process diagram below illustrates the lifespan of the salmon.

Overall

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,

this

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is a

seven stages

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seven-stage

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, natural ,cyclical process. It begins with eggs and finishes with a fully grown spawning fish.

According to

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the picture, the salmon’s being cycle begins with the eggs laid in fresh water, which takes about 3 months to hatch and give birth to alevins feeding on yolk-sac for several subsequent weeks. Within the following steps of the process, an alevin develops into a fry

that is

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between 5 and 10 weeks old, has the appearance of fish and is able to swim. Several months later, a fry grows into a parr whose body has ‘finger’ markings, and at the age of at least 1-3 years old, the parr becomes the smolt which is characterized by grouping with other smolts and heading out to sea. The concluding stages of

this

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life cycle involve an adult salmon that normally spends 1 to 8 years at sea and a spawning adult whose life culminates in spawning new eggs and dying for 2 weeks afterwards.