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Asked by 328bera46 to Triona, Shikha, Kevin, John, Colin on 12 Nov 2014. This question was also asked by aileenjcat.
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Tríona O'Connell answered on 12 Nov 2014:
The ocean floor itself which is made of rock. This can have thermal vents in it which are interesting places for life to cluster around (they’re warmer than the rest of the ocean and certain types of bacteria can gather energy directly from them). Bits of dead plant and animal can also sink to the bottom of the ocean. These can then be fed on by scavengers that look very peculiar but have adapted to the massive pressures that the water above them has.
You won’t find plants growing on the bottom of the deep ocean as light doesn’t go down deep enough, so they woudln’t be able to photosynthesise
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Shikha Sharma answered on 20 Nov 2014:
Hi 328bera46, aileenjcat,
Despite of the modern technology, breakthroughs in engineering, and the interconnected sharing of scientific knowledge across the world, the researchers have never succeeded in exploring the ocean completely. Recently, the University of Aberdeen’s Oceanlab and the National Institute of Water and Atmospheric Research in New Zealand have captured the marine life at the bottom of the ocean using a robotic lander. They have observed unexpected dearth of diversity; animals observed included large grey cusk eels (some as long as one meter long), bright red prawns, and arrow-tooth eel pouts.
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