515million-year-old 化石s 明らかにする／漏らす 先史の animals had far better 見通し than 以前 thought
- Owner of '構内／化合物 注目する，もくろむs' would have looked through 3,000 レンズs instead of the blurry world of its 同時代のs who looked through just 100 レンズs
原始の 先史の animals had excellent 見通し, far better than 以前 thought, によれば scientists who analysed recently 明らかにするd 515million-year-old 化石s.
The 化石 '構内／化合物 注目する，もくろむs', which look like squashed 注目する，もくろむs from a recently-swatted 飛行機で行く, were 設立する on Kangaroo Island in South Australia.
Modern insects and crustaceans have '構内／化合物 注目する，もくろむs', which consist of hundreds or even thousands of separate レンズs. They see their world as pixels - each レンズ produces a pixel of 見通し.
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Like a squashed 注目する，もくろむ from a swatted 飛行機で行く: Scientists analysing 515million-year-old '構内／化合物 注目する，もくろむs' 設立する on Kangaroo Island, South Australia, 設立する they have 3,000 レンズs, making them more powerful than anything from that 時代
More レンズs mean more pixels and better visual 決意／決議.
They 化石 構内／化合物 注目する，もくろむs have over 3,000 レンズs, making them more powerful than anything from that 時代, によれば scientists from South Australian Museum and the University of Adelaide.
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They probably belonged to an active predator that was 有能な of seeing in 薄暗い light.
Their 発見 明らかにする／漏らすs that some of the earliest animals 所有するd very powerful 見通し - 類似の 注目する，もくろむs are 設立する in many living insects, such as robber 飛行機で行くs.
Sharp 見通し must therefore have 発展させるd very 速く, soon after the first predators appeared durin g the Cambrian 爆発 of life that began around 540million years ago.
The 化石 注目する，もくろむs would have seen the world with over 3,000 pixels (centre), giving its owner a 抱擁する visual advantage over its 同時代のs, which would have seen a very blurry world with 100 pixels (left). This pales when compared with living dragonflies, which have the best 構内／化合物 注目する，もくろむs and see at 28,000 pixels (権利)
Given the tremendous adaptive advantage conferred by sharp 見通し for 避けるing predators and 位置を示すing food and 避難所, there must have been tremendous evolutionary 圧力 to (a)手の込んだ／(v)詳述する and 精製する visual 組織／臓器s.
As the 化石 注目する，もくろむs were 設立する 孤立するd, it's not 確かな what animal they （機の）カム from, but they probably belonged to a large shrimp-like creature.
The 激しく揺するs 含む／封じ込めるing the 注目する，もくろむs also 保存する a dazzling array of 古代の 海洋 c reatures, many new to science. They 含む 原始の trilobite-like creatures, armoured worms, and large swimming predators with 共同のd feeding appendages.
Up の近くに: The 構内／化合物 注目する，もくろむs of a living insect - a predatory robber 飛行機で行く - showing the individual レンズs
The recently discovered 化石 注目する，もくろむs would have seen the world with over 3,000 pixels, giving its owner a 抱擁する visual advantage over its 同時代のs, which would have seen a very blurry world with about 100 pixels.
This is much better than the living horseshoe crab, which sees the world as 1,000 pixels, but not as good as living dragonflies, which have the best 構内／化合物 注目する，もくろむs and see the world as 28,000 pixels.
This 発見 is published in the 定期刊行物 Nature.
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