What parts assist in the locomotion of the earthworm?

An earthworm has tiny, hairlike bristles called setae that it uses to push through the soil. The position and layout of these setae on a worms body is one method used to identify a particular species from another as well. read more

Above: an earthworm undergoing locomotion and moving toward the top of the page. Each frame represents a one second time interval from left to right. read more

locomotion in earthworm • Circular muscle contract, longitudinal muscle relax, earthworm becomes thinner and longer (vice versa) • During locomotion, circular and longitudinal muscles contract and relax rythmically producing peristaltic waves along the body. read more