Cockroaches

Cockroaches have been present on the earth for more than 400 million years
kidcyber recommends the following websites about cockroaches:

Australia's CSIRO gives information about the animals and about their life cycle here.

http://www.ento.csiro.au/Ecowatch/Insects_Invertebrates/blattodea.htm

Find out about their anatomy (body structure) here.
http://www.yucky.com/flash/roaches/pg000096.html

Fact sheet here
http://www.pestworldforkids.org/cockroaches.html