It differs from 1mm to over 30mm
14 inches
81mm
worms can only grow so long. Here is a site that has lots of worm facts. http://urbanext.illinois.edu/worms/facts/index.html
300 mm
I don't know how earthworm do grow.
God made them long and thin just like your mum's pen!$
An earthworm.
Well the largest breed of earthworm is found on the Continent of Australia. They can grow '' Normally' to be 1 foot in length and when moving '' stretching' they can be 2 feet long and can jump up to 12 feet high.
They eat and grow large!!!!!
The tail of an earthworm is made of the same stuff as the rest of its body. When an earthworms tail comes of, the head can grow a new one.
why hairs grow so long on our head and shorter on arms
Yes, they fertilize the soil which will help crops grow.
about 8 feet.
heka coolio