That is not true at all.
Which is about 1 centimeter long: a fingernail or a pencil
Your fingernail
FOREVER.
The longest fingernail ever was...
they have been successful for a long time.
yes and such miniaturization has been around for a long time now. The degree of miniaturization possible far exceeds a few thousand on something as big as a fingernail.
31.71 years.
No because they have been alive for a very long time
The fingernail has a long cylindrical body pseudocoelom and gets its shape from the epidermis and cuticle. The fingernail is comprised of cells that protect the nail bed.
becaues it is that they been around so long
8 weeks
For a fingernail, yes.For a city block, no.It's all relative.