In addition to this, I would always advise that you do a patch test before using an essential oil that is new to you and for information on how to do this, please see the end of this page. The following is a really good, simple and effective guide to the major essential oils and their individual contraindications. This is not a comprehensive list but a guideline only. Essential Oil.
Annelids range from giant earthworms to smallest worms in size. The biggest annelids reported so far is the Michrochaetus rappi which measure about 1.36 m and the smallest annelids is the Chaetogaster annandalai which measures 0.5 mm. There are many types of worms in the group annelids. They include earthworms, flatworms, and roundworms. The worms can be measure in the range of about an inch to several inches long. The worms like ribbon worms have the ability to grow about 100 ft in length.
Lesson Summary. Annelida is the phylum that contains the segmented worms. These worms all have segmented bodies that are bilateral and contain the same structures in each segment, with exceptions of the head and anus of the animal. Since these animals are fairly simple, there are few highly specialized digestive structures.