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.
Tridacna derasa (smooth or southern giant clam) is the second largestspecies with a shell length of up to 60 cm. The shell is smooth, and the mantlehas elongate brown, green and blue patterns (Figure 4).c.Tridacna squamosa (fluted or scaly giant clam) is easily identified bythe large fluted scales on the shell.he names and abrief description of the living giant clams is as follows:a. Tridacna gigas is the true giant clam, growing to greater than 1.4 m inshell length. T. gigas is easily identified by its size and the triangular projectionsof the upper margins of the shell.