churn verb (CUSTOMERS) âº [ I or T ] specialized business If customers churn between different companies that provide a particular service, they change repeatedly from one to another.
Worms are not insects. Insects are in the Phylum Arthropoda, in the class Insecta. All Arthropoda have jointed body parts while Annelids are segmented but not jointed. Earthworms are in the class Oligochaeta (meaning they are segmented worms with only a few bristles). There is a bigger difference worms and Insects than between a Reptile and a Mammal.
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.