Which of the following are distinguishing characteristics of the Lophotrochozoa clade?
The clade Lophotrochozoa is named after the two distinct characteristics of its members; the feeding structure lophophore, which is a ciliated crown of tentacles surrounding a mouth, and the developmental stage trochophore larvae.
What are the characteristics of animals classified under Lophotrochozoa?
In Summary: Superphylum Lophotrochozoa
Flatworms are acoelomate, triploblastic animals. They lack circulatory and respiratory systems, and have a rudimentary excretory system. This digestive system is incomplete in most species.
Which of the following traits characterize the phylum platyhelminthes?
Platyhelminthes have the following important characteristics: They are triploblastic, acoelomate, and bilaterally symmetrical. They may be free-living or parasites. The body has a soft covering with or without cilia.
What is the defining feature of the Lophotrochozoans quizlet?
What are the defining characteristics of a lophotrochozoan? They have a lophophore feeding structure OR a trochophore larval stage.
Are jellyfish Lophotrochozoan?
The Cnidarians (jellyfish and their relatives) represent the basal animals. The Lophotrochozoans (Phyla Platyhelminthes, Mollusca, Annelida and Rotifera) represent one of the major groups of invertebrates outside of the arthropoda.
Do all Lophotrochozoa have a Coelom?
The Lophotrochozoa are a diverse group of phyla. Most have a true coelom of the schizocoel type, but a few have only a pseudocoel. Ribosomal RNA sequences show these various phyla to be related.
What is characteristic of all Ecdysozoans quizlet?
What is characteristic of all ecdysozoans? some kind of exoskeleton, or hard outer covering. According to the evidence collected so far, the animal kingdom is. monophyletic.
What features make an earthworm a Protostome bilaterian animal?
Earthworms are protostomes in that they exhibit spiral cleavage, the blastopore (first opening) develops into the mouth, and the nerve cord is positioned ventrally (along the belly side of the animal).
Which feature is characteristic of arthropods and relates them to annelids?
All arthropods differ from their annelid ancestors in several important ways: they have a chitinous exoskeleton, jointed/segmented appendages, a well-developed head and mouthparts, striated muscles, and an open circulatory system with a dorsal heart.
Ecdysozoa
Ecdysozoa
The origins of Ecdysozoan body plans
Tardigrades: The Most Resilient Animals in the Universe
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