What is a Bachelor's Degree? A bachelorâs degree is a four-year degree meaning it typically takes four years of full-time study to complete your bachelorâs degree. In these four years, you will complete 120 semester credits or around 40 college courses. If your college uses a quarter system rather than a semester system, youâll need to complete a minimum of 180 quarter credits to earn an accredited bachelorâs degree. A bachelorâs is a post-secondary undergraduate degree.
An earthworm is a tube-shaped, segmented worm found in the phylum Annelida. They are commonly found living in soil, feeding on live and dead organic matter.Its digestive system runs through the length of its body. It conducts respiration through its skin.arthworm is the common name for the largest members of Oligochaeta (which is either a class or a subclass depending on the author).
The following are the three classifications: 1  Annelida â This group is probably the most recognized of the three worm classifications. 2  Nematoda â This phylum of worms includes roundworms, hookworms and threadworms. 3  Platyhelminthes â The worms in this group are flat or ribbon-shaped. Nematoda â This phylum of worms includes roundworms, hookworms and threadworms. 2  Many roundworms are parasites and can cause a variety of problems for people and pets. 3  Threadworms live on the ground in damp soil, mossy areas or in decaying vegetation. 4  They can also be found in freshwater and saltwater.