WebbNemathelmintes comprises of round worms which are pseudocoelomate, triploblastic and have primitive organ system level of organization. C. Annelida consist of ... Correct option is C) Phylum Annelida includes bilaterally symmetrical, triploblastic, truly coelomate and metamerically segmented animals with their body covered with a thin ... Webb14 mars 2024 · The phylum Annelida consists of over 22,000 living species of segmented worms. They include earthworms, leeches, and ragworms. Annelids are bilaterally symmetrical, triploblastic invertebrates that inhabit a wide diversity of habitats, including marine environments such as tidal zones, hydrothermal vents, lotic and lentic freshwater …
15.3 Flatworms, Nematodes, and Arthropods - OpenStax
WebbArthropods form the phylum Arthropoda. They are distinguished by their jointed limbs and cuticle made of chitin, often mineralised with calcium carbonate. The arthropod body plan consists of segments, each with a pair of appendages. Arthropods are bilaterally symmetrical and their body possesses an external skeleton. http://api.3m.com/what+are+the+three+main+phyla+of+worms shwelarngwelar.com
Kingdom Animalia (Phylum, Subphylum) - An Overview - BYJU
Webb14 aug. 2024 · Flatworms (Phylum Platyhelminthes), annelids (Phylum Annelida) and mollusks (Phylum Mollusca), while extraordinarily diverse, share a number of characteristics, which suggests they are more closely related to each other than other invertebrate phyla. What are the members of the phylum Annelida? Phylum Annelida: … Webb26 aug. 2010 · The flatworms are acoelomate organisms that include free-living and parasitic forms. The nematodes, or roundworms, possess a pseudocoelom and consist of both free-living and parasitic forms. Finally, the arthropods, one of the most successful taxonomic groups on the planet, are coelomate organisms with a hard exoskeleton and … WebbAnnelids may be monoecious or dioecious. Larva may or may not be present; if present they are of the trochophore type. Some forms also reproduce asexually. They are … the pas report