When is Polyploidy useful? ChaCha Answer: Polyploidy:the condition in which a normally diploid cell or organism acquires one or more ...
Clam, 405, is oldest animal ever. It has been christened Ming and it's officially the oldest animal to have ever lived. A British scientific team discovered the 405-year-old clam, named after the Chinese dynasty and not the former Liberal Democrat leader, at the bottom of the ocean, and hope its longevity will reveal the secrets of ageing.
The oldest known fossils, in fact, are cyanobacteria from Archaean rocks of western Australia, dated 3.5 billion years old. This may be somewhat surprising, since the oldest rocks are only a little older: 3.8 billion years old! Cyanobacteria are among the easiest microfossils to recognize.