Stanley and Viroid definition only. E Virus characteristic features link between living and non-living structure of TMV and bacteriophage and contribution of the following scientists. Phylum Platyhelminthes Microbiology Lab Biology Scroll Saw Patterns Iii Plant Kingdom a Algae - characteristics morphology common name major pigments stored. . Head trunk and tail E a rasping organ called the radula. Which of the following is a typical characteristic of molluscs. A a gastrovascular cavity with only one opening B a sessile lifestyle C an internal skeleton and segmented body plan D three main parts of the body.