In areas where there is no sunlight, such as deep ocean, what are the
common producers?
A. Sulfur Bacteria
B. Sulfur Fungus
C. Sulfur Plants

explanation:

the fossil record extends back to a dog-like ancestor some 55 million years ago, which gave rise to the first horse-like species 55 to 42 million years ago in the genus eohippus.

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs