Benthos are said to be organisms that tend to live in the zone called Benthic and it is this zone that is different from all the zones in the other water columns. There are many organisms that exist and they are highly adapted to it. Since there is a lot of pressure that is present in the bottom hence organisms that tend to live in the bottom of the sea or the benthic zone cannot survive in the other zones of the water column where the pressure is different from that of the benthic zone. The pressure that is present in ...