vents are more densely populated than are other deep-sea areas
32.4. the author refers to smokers most probably in order to
show how thermal shock can provide food for some vent faunas by stunning small animals
prove that the habitat of most deep-sea animals is limited to warm-water vents
explain how bacteria carry out chemosynthesis
demonstrate how advection compensates for the lack of food sources on the seafloor.
present evidence that bacterial chemosynthesis may be an inadequate source of food for some vent faunas.
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