Earthworm Lab Report

~General Information~ Worms nuclear b culmination 18 the roughly complex animals that I build studied. They argon classified into iii incompatible phyla. at that maneuver is a slim issuing of species(20,000) of insects but there ar a large number of wrestles. All flexs excite lead layers of cells. They too draw reliable organs and organ dusts, and a complex anxious(p) system. The Lumbricus terrestris nightcrawler is a section worm in the phylum Annelida. The earthworm is one and only(a) of the almost complex worms. Although metameric worms ar bilaterally symmetrical want other worms, they atomic number 18 different because the contain a coelom (inner space modify with fluid.) Since they abide 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 abaxial surface, and a bewilder bug out ventral surface. They also have an anterior suppress 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 know as setae. Toward the anterior end there is a self-conceited area used during reproduction, which is the clitellum. An big earthworm can have more than 100 segments. Earthworms lie in the acres, and they beat it as they move with it. bit they make their manner through the soil they leave tunnels.

These tunnels are beneficial to farmers and gardeners because they sanction demarcation and water to enter the soil as they sunder it up. The earthworm has several complex systems. These systems hold a awkward system, digestive system, circulatory system, respiratory system, excretory system, and a fruitful system. The nervous system coordinates all front man and reactions that occur in the worm by carrying impulses over typeface pathways. The digestive system is liable for taking in either food and getting... If you exigency to get a full essay, clubhouse it on our website: Orderessay

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