WebMar 24, 2024 · Ans: This is the first skeleton laid during the embryonic development of the chordates. The notochord is an elongated rod-like flexible structure extending the length of the body. The phylum Chordata have the characteristic notochord, dorsal nerve cord and pharyngeal slits. Q.4. What are the \(5\) characteristics of chordates? WebIn most land- living chordates, the "gill slits" are present only in embryonic stages; you had pharyngeal slits at one time. The slits are supported by gill arches, which have also been highly modified in various groups of vertebrates. Lastly, all chordates have a post-anal tail, or extension of the notochord and nerve cord past the anus. This ...
Before We Were Born Essentials Of Embryology And
WebA chordate ( / ˈkɔːrdeɪt /) is an animal of the phylum Chordata ( / kɔːrˈdeɪtə / ). All chordates possess, at some point during their larval or adult stages, five … WebStudy with Quizlet and memorize flashcards containing terms like All chordates have (a) _____ as embryos. a. backbone b. jaws c. notochord d. both b and c, The _____ are … mosquito borne diseases in australia
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WebStudy with Quizlet and memorize flashcards containing terms like Chordates, Conodonts, notochord and more. ... .-provides skeletal support. - most adults develop a skeleton and have only remnants of embryonic notochord. Dorsal, Hollow nerve Cord. nerve cord found in all chordates that forms the spinal cord and brain. Develops from a plate of ... Webchordate, any member of the phylum Chordata, which includes the vertebrates (subphylum Vertebrata), the most highly evolved animals, as well as two other subphyla—the tunicates (subphylum Tunicata) and cephalochordates (subphylum Cephalochordata). Some … echinoderm, any of a variety of invertebrate marine animals belonging to the phylum … WebPharyngeal slits are filter-feeding organs found among deuterostomes. Pharyngeal slits are repeated openings that appear along the pharynx caudal to the mouth. With this position, … mosquito borne diseases in sri lanka