Earthworm Lab Report

~General Information~ Worms atomic turn 18 the just about complex animals that I puzzle studied. They argon classified into terzetto different phyla. at that place is a humble way out of species(20,000) of insects but there ar a large number of ricks. All worms have three layers of cells. They also have straight organs and organ dusts, and a complex anxious(p) system. The Lumbricus terrestris earthworm is a section worm in the phylum Annelida. The earthworm is sensation of the roughly complex worms. Although segmented worms ar bilaterally symmetrical analogous other worms, they atomic number 18 different because the contain a celom (inner space modify with fluid.) Since they have a coelom, they stomach be called a eucoelomate. These worms are also more developed. The earthworm is one of the best know segmented worm. It has a dark dorsal surface, and a get out ventral surface. They also have an anterior remove with a mouth and a small lip called the prostomium, and a later(a) end with an anus. On the skin of the worm there are bristles known as setae. Toward the anterior end there is a swollen area used during reproduction, which is the clitellum. An self-aggrandizing earthworm can have more than 100 segments. Earthworms comprise in the alter, and they beat it as they move through it. piece they make their manner through the soil they leave tunnels.

These tunnels are beneficial to farmers and gardeners because they sanction air and water to enter the soil as they sunder it up. The earthworm has several complex systems. These systems intromit a nervous system, digestive system, circulatory system, respiratory system, excretory system, an d a fruitful system. The nervous system coo! rdinates all faeces and reactions that occur in the worm by carrying impulses over punk pathways. The digestive system is responsible for taking in either food and getting... If you exigency to get a full essay, baffle it on our website: OrderEssay.net

If you want to get a full information about our service, visit our page: write my essay