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 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.
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The charts illustrate the life cycle of some species, which
called
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is called
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salmon
. The life cycle begins when
salmon
eggs are laid among small stones at the start of reeds in the upper part of a river, where the current is slow. After about 5 to 6 months, fry with measure 3 to 8 centimetres long can be seen in the water. The fry
then
swim
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swims
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to the faster-flowing part of the river, which is called
lower
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the lower
a lower
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river. After growing there for approximately 4 years, they reach 12 to 15 centimetres long and become smolts.
Subsequently
, they head to the ocean where the fish mature into adult
salmon
with an average of 70 to 76 centimetres long. They
then
spend around 5 years in the sea, after which they migrate upstream to their birthplace to spawn, and the entire journey is repeated all over again.
Overall
,
salmon
have an average lifespan of nine years and their lifecycle consists of four main stages: egg, fry, smolt and adult.
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Vocabulary: Replace the words salmon with synonyms.
Vocabulary: Use several vocabularies to present the data in the fourth paragraph.
Topic Vocabulary:
  • freshwater streams
  • small pebbles
  • reeds
  • alevin
  • yolk sac
  • nourishment
  • fry
  • grow stronger
  • grow larger
  • parr
  • defined markings
  • estuaries
  • smolt
  • adapt to saltwater
  • ocean
  • full size
  • sexual maturity
  • spawn
  • life cycle
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