Paragraf tamamlamaSoru #8269
The deep seafloor was once widely assumed to be a biological desert, devoid of life due to the utter absence of sunlight. This long-standing assumption was shattered in 1977 with the discovery of hydrothermal vents along the Galápagos Rift. ----. Instead of relying on solar energy, these ecosystems are fueled by chemosynthetic bacteria that convert toxic hydrogen sulfide gushing from volcanic fissures into nourishing organic matter.
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Parçada boş bırakılan yere düşüncenin akışına göre aşağıdakilerden hangisi getirilmelidir?
- A)The Galápagos Rift is the shallowest and sunniest marine ecosystem found in the eastern Pacific
- B)Deep ocean exploration was immediately abandoned because the volcanic temperatures damaged the submarine hulls
- C)Photosynthetic algae were discovered growing abundantly at depths of over three thousand meters
- D)Marine biologists concluded that hydrothermal vents were toxic environments where no creature could survive
- E)Surrounding these superheated mineral chimneys, scientists found thriving communities of giant tubeworms and albino crabs
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Doğru cevap: E) Surrounding these superheated mineral chimneys, scientists found thriving communities of giant tubeworms and albino crabs
Çözüm: 1977'de hidrotermal bacaların keşfiyle deniz tabanının çöl olduğu yanılgısı yıkılmıştır. Bacaların etrafında dev tüp solucanları ve yengeçlerden oluşan canlı topluluklarının bulunması (E) ve sonrasında güneş yerine kemosentezle beslendiklerinin açıklanması kusursuz bir bağlantıdır.