Central nervous system - Structure. 1  The central nervous system consists of the two major structures: the brain and spinal cord. 2  Microscopically, there are differences between the neurons and tissue of the central nervous system and the peripheral nervous system. [citation needed]
They produced flour from the wheat they grew and sold it in other colonies or to Europe. These colonies were part agriculture and part industrial. Factories in Maryland produced iron and paper, textiles were produced in Pennsylvania factories. Lumber and shipbuilding industries also had success her.
Slave-making occurs in two ways. A queen ant may go to a nest of a similar ant species and kill the resident queen. She takes over the nest and uses the workers to bring up her own eggs. The original species of ant will eventually die out without their queen to reproduce for them. The other way in which the slave-making occurs is that workers from a slave-making ant colony will steal other nests of their larvae and pupae and raise them as slave workers.