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.
This common species is Lumbricus terrestris also known as the night crawler or dew worm. Phylum-Class-Family-Genus-Species -. Annelida Oligochaeta Lumbricidae Lumbricus terrestris. Objectives: Describe the appearance of various organs found in the earthworm.Name the organs that make up various systems of the earthworm. Materials: Safety goggles, dissecting pins, gloves, forceps, lab apron, scissors, paper towel, scalpel, water, dissecting probe, preserved earthworm, hand lens, dissection tray.ame the organs that make up various systems of the earthworm. Materials: Safety goggles, dissecting pins, gloves, forceps, lab apron, scissors, paper towel, scalpel, water, dissecting probe, preserved earthworm, hand lens, dissection tray.