Turtles in general have a long life span. But it's difficult to know exactly how long sea turtles can live. Their life span is often longer than most research projects. So it is hard to accurately measure their life span over this long period of time. The most consistent estimate is about 80 years.
Chemotrophs are organisms that obtain energy by the oxidation of electron donors in their environments. These molecules can be organic (chemoorganotrophs) or inorganic (chemolithotrophs). The chemotroph designation is in contrast to phototrophs, which utilize solar energy. Chemotrophs can be either autotrophic or heterotrophic. Chemoautotrophs are commonly found in ocean floors where sunlight cannot reach them because they are not dependent on solar energy.
Definition noun, plural: autotrophs A organism capable of making nutritive organic molecules from inorganic sources via photosynthesis (involving light energy) or chemosynthesis (involving chemical energy)