Cross Section Of An Earthworm

Muscular tissue that runs lengthwise on an earthworm.

Cross section of an earthworm. Earthworms are commonly found in soil eating a wide variety of organic matter. The general colour of the body is brown but the dorsal surface is darker. Cross section of earthworm segment cut a thin cross section through your worm s intestinal area and view it with a dissecting scope.

Also view the prepared slide of an earthworm cross section carolina z1250 and examine the large model worm. The body of pheretima is nearly circular in cross section and varies from 7 to 8 inches 18 19 cms in length. In this region the gut forms the pharynx which leads into the oesophagus more posterior followed by the crop gizzard and intestine.

A dark line extends from end to end in the mid dorsal line. Beneath the hypodermis is a thin layer of circular muscles and a much thicker layer of longitudinal muscles. The earthworm body is divided into ringlike segments as many as 150 in l.

You need to be a group member to play the tournament. Cross section view of an earthworm lumbricus burrowing beneath the soil s surface. External anatomy of earthworm.

On the outside of the worm is a thin non living cuticle that is secreted by the underlying hypodermis. This online quiz is called cross section of an earthworm. A discussion of the anatomy and function of multiple structures inside of an earthworm with a quiz.

Some internal organs including the excretory organs are duplicated in each segment. Between segments 32 and 37 is the clitellum a slightly bulged discoloured organ that produces a cocoon for enclosing the earthworm s eggs. Internal anatomy of an earthworm cross section.