Which class of organisms has an outer ectoderm with syncytial epithelium and a ciliated epidermis?
Which class of organisms is supplied with hooks and suckers containing rhabdites?
Which type of small bodies, when discharged into water, form a protective gelatinous sheath around the body of planarians?
Which layer under the epidermis of planarians contains two layers of muscles, an outer circular muscle layer and an inner longitudinal muscle layer?
What is the term for the outer circular muscle layer under the epidermis of planarians?
Test your knowledge about the general features of Platyhelminthes, a phylum of invertebrate animals. Learn about their body structure, digestive system, excretory system, and more.
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