salmon life cycle ielts
Their life cycle is divided into 3 phases. Firstly adult salmon return to the upper river to lay an egg under the small stones and reeds approximate 5 or 6 month for the little fish appear begin the cycle life as they parent use to have.
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The egg stage the fry stage the smolt stage and the adult stage.
. You can understand it this way. Finally the adult salmon will find a mate and lay salmon eggs by the upper river. Adult salmon fishes lay eggs in rivers and incubate their eggs there.
Edited and corrected by. Have a look at the title of the diagram and then try to write the answer yourself. The salmon spawning grounds are also the salmon nurseries providing a more protected environment than the ocean usually offers.
After that fish goes to lower river which has a lot faster stream speed. We can also see that salmon spend time in three distinct locations during the cycle moving from river to estuary to ocean and then back upstream. Thus the life cycle of a salmon fish springs from the incubation stage in a river.
Locations including rivers estuaries and oceans where are related to. 6 rows The life cycle of the Salmon starts when the spawning adult fish lays eggs and dies. Next smolt swims into open ocean where it lives for 5 years and finally becomes adult salmon.
After that it becomes smalt followed by the last stage formed in which an adult salmon is formed. Fry lives between 5 to 6 months in this location. Salmon begin their lives in rivers where the adult fish lay and incubate their eggs.
These are the salmon spawning grounds where salmon eggs are deposited for safety in the gravel. There should be some dissimilarity between the answers. Detail 1 To begin with the adult salmon lay eggs upriver where the current is slow.
The picture illustrates the different life stages of a large fish known as the salmon. Camouflage from any prey. The red part is correct.
By these diagrams we could conclude how salmon life cycle happen and we could keep on feasting their tender meat. While the first three stages occur in freshwater the last one takes place in saline water. To start with the salmon adult they spawn and incubate their eggs in.
Commencing with the initial phase of salmon fish is incubation and emerged in the river. After emerging from eggs the salmon fry spend some time growing in freshwater and this stage is called freshwater wearing. Overall a salmon fish goes through six main phases to fully grow from their hatching period and spends its life in three distinct locations.
Egg fry smolt and adult. Meanwhile freshwater rearing happens and then these all migrate to the ocean. However observe if there is any big.
Sac fry or alevin The life cycle of salmon begins and usually ends in the backwaters of streams and rivers. Thereafter it moves to rear areas. In the first phase it is called fry.
The provided diagram depicts the life cycle of a salmon fish divided into different stages from its egg stage till it becomes an adults. After fully growing up adult salmon goes back to upper river to lay eggs and thus cycle repeats itself. Then at some point in their development the fish swim downstream to river estuaries where rearing continues.
Then salmon migrates to a second type of water called estuary where seawater and freshwater meet for another stage of rearing. Fry grows there for approximately 4 years and becomes smolt. Stages spawning rearing and growth and they live in three different.
After emerging from eggs the young salmon spend the next stage of their lives being reared in freshwater areas. Eggs stay incubated in the stony. Overall it goes through four different stages of development.
It is noticeable that the life cycle of the salmon experiences three main. At the beginning of the life cycle eggs are laid and incubated in rivers. We can see that the life cycle of salmon is consist of 8 stagesamong which salmon migrant place to place for growthFrom very beginningthe adult lying eggs in the riverthen the eggs would develop into emergence form and then travel to freshwater area to growthWhen their figure get more biggerthey will migrant to estuary area continuing growth.
This IELTS writing task 1 post deals with how to write a cycle diagram and how to use different verb forms in the answer to task 1. For approximately 5 years into an adult salmon which they could grow around 70-76 cm long. Besides before moving on to the ocean there is a common area named an estuary where estuary rearing occurs.
Overall salmon have an average lifespan of 9 years and their life cycle consists of four main stages. After initially hatching in a slow moving river each Salmon spends roughly equal amounts of its 10 year cycle in fast flowing freshwater and open seas. Eggs embryos fry smolt and the adult fish.
Then find the best model answer and match your writing with it. After emerging from eggs the infant salmon spend their next stage in freshwater and this phase is called emergence. Salmon begin their lives in rivers where the adult fish lay and incubate their eggs.
Then they stay in freshwater to grow further. After 4 year they move to the lower river where is fast flowing pass it and live at the open sea when they was an adult salmon like they parent return to the river lay an egg and end the life at. After emerging from eggs the young salmon spend the next stage of their lives being reared in freshwater areas.
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