WebNov 30, 2024 · The phylum Platyhelminthes includes flatworms like Planarians, Flukes and Tapeworms. The animals of this phylum are triploblastic acoelomate bilaterians. The evolution of triploblastic condition and bilateral symmetry coincide with the evolution of organs and organ systems, cephalization and centralization of the nervous system. WebThe two broad groups that animals have been divided into based on the presence or absence of a backbone are vertebrates and invertebrates. Radial and bilateral are two terms used to describe the ______ of an animal. body symmetry All animals are multicellular, heterotrophic, and eukaryotic.
chapter 7 Flashcards Quizlet
WebStudy with Quizlet and memorize flashcards containing terms like What characteristics of phylum Cnidaria are most important in distinguishing it from other phyla? What type of larval form do they have?, Name and distinguish the taxonomic classes in phylum Cnidaria, Distinguish between polyp and medusa forms and more. WebFlukes are protected against the host's immune system by. the tegument. Schistosomiasis is a disease caused by a. trematode. ... Roundworms are member of the phylum __ Nematoda. Roundworms take in good through the mouth and eliminate wastes through an opening at the other end of the digestive tract called the __ sonovia mask reviews
10.2: Animal Classification - Biology LibreTexts
WebThe outer surface of parasitic flatworms that is resistant to digestive enzymes and immune defenses produced by the host is known as the neodermis. Individuals that can form both sperm and eggs are known as: hermaphrodites Which of the following are characteristics of flukes? Their life cycle usually involves two or more hosts. WebStudy with Quizlet and memorize flashcards containing terms like Echinoderms in their larval state have _____. A. triangular symmetry B. radial symmetry C. hexagonal symmetry D. bilateral symmetry, The circulatory fluid in echinoderms is _____. A. blood B. mesohyl C. water D. saline, Which of the following is not a member of the phylum Chordata? A. … WebFluke definition, the part of an anchor that catches in the ground, especially the flat triangular piece at the end of each arm. See more. sonovision online shopping