WebApr 11, 2024 · By the moment an earthworm has achieved the four celled-stage. The cell contents have been divided into various new cells. The outcome of these cells has been set and they would not be able to develop into a full creature if left to grow alone. In this post, we will study the digestive system and investigate the roles of the related smooth muscle. WebDec 22, 2015 · The worm’s outermost body wall is a protective layer called the cuticle but directly beneath this outer layer is the epidermis, similar to our skin. The epidermis contains a host of sensory cells that transmit information to the nerve tissue. Below the skin is a thin layer of nerve tissue that gives the worm a sense of touch.
Nematodes: Classification, Structure, and Characteristics
WebSep 24, 2024 · Of course, as there are approximately 8. 7 million species on earth, there are plenty of sub-categories in which to place them. For example, although worms land in the … Webchromosome number, precise number of chromosomes typical for a given species. In any given asexually reproducing species, the chromosome number is always the same. In sexually reproducing organisms, the … data center basics terminology
Chromosome number Definition, Haploid, & Diploid
WebThe body of a nematode is long and narrow, resembling a tiny thread in many cases, and this is the origin of the group's name. The word "nematode" comes from a Greek word nema that means "thread". The epidermis (skin) … WebAug 24, 2024 · Technically, yes, worms have two brains. Annelids, like earthworms, have two ‘cerebral ganglia’ which are connected to other areas of their body. Via ‘motor nerve’ fibers and ‘sensory’ fibers, these bundles of nerves send signals to activate movements and other functions of the body. WebHookworms are parasites that live in the intestines of infected people. Hookworm eggs (larvae) spread in the feces (poop) of people with hookworm disease. Many people have no symptoms, but signs of a hookworm infection include skin rash, fever, stomach pain and diarrhea. Northeast Ohio 216.444.7000. Appointments & Locations. data center battery backup system