What is an ecosystems that not depend on the sun?

What is the meaning of an agreeable tongue? What is the difference between parasitism and commensalism? Which undergoes a faster rate of cooling a red hot poker in a warm oven or a re hot poker in a cold room? If you traveled due west from Cape Horn your next landfall would be precisely the same as if you had traveled dues east What would that landfall be? What might form from a barrier to trap oil and natural gas? What is a submarine landslide What does it mean? How can you identify configuration clues? Is the land area of the US fit into the land area of Africa a little over three times? How many underwater volcanoes are caldera? Does el nino cause floods? When does DLS time end for 2013? How many electrons are there in the outer most orbit of an element in the alkali metal family? In what year did Mt Pinatubo erupt? What abdominopelvic region is the gallbladder in? Why Pitch of sound in half glass water is more than full glass of water? In what geologic time period did the tethys sea occur? How does the ozone affect the climate? Is the caulerpa is eukaryotic or prokaryotic? Is males or females affected in the digeorge syndrome? The nucleus is called the information center of the eukaryotic cell why?