Web21 nov. 2009 · Study now. See answer (1) Best Answer. Copy. Both jawless fish and cartilaginous fish have skeletons composed of cartilage and distinct brains. Also, some cartilaginous fish don't have scales, and ... WebSolution Jawless fish: Jawless fishes are members of class Cyclostomata. Body is round and elongated just like an eel. Paired fins are absent. Median fins are present along with …
Are sharks jawless fish? Homework.Study.com
Web3 apr. 2024 · Complete step by step answer: Example of jawless fishes is a lamprey. It comes under the cyclostomes group. Lampreys (now and then inaccurately called lamprey eels) are a historic extant lineage of jawless fish of the order Petromyzontiformes, positioned within the superclass Cyclostomata. The adult lamprey can be characterised … Web2 ian. 2024 · ü Answer: (a) 500 mya: Plants. (b) 350 mya: Jawless fishes, fish with stout fins. (c) 320 mya: Sea-weeds. Plants. (d) 200 mya: Reptiles. 2. Make a flow chart using … fnaf happy meal
Compare jawless fish to cartilaginous fish? - Answers
WebTheir round, jawless mouths are specifically adapted to attach to and feed on the bodily fluids of other animals, such as fish. They have sharp, tooth-like structures around their mouths, called oral discs, which they use to create a seal around their prey before using their rasping tongue to suck out the fluids. Web10 apr. 2024 · One such problematic soft-bodied taxa is Lasanius: a genus of extinct jawless fish (Fig. 1A, B), established by R.H. Traquair in 1898 on the basis of several specimens found in the Silurian (c. 443.8 Ma) fish beds of Lesmahagow, Scotland (Traquair 1898). This genus stands out as something unique within the early vertebrates due to an … WebHayward et al. (2013) found that the ZBED genes originated from at least 2 independent hAT DNA transposon domestication events in ancestors of primitive jawed vertebrates, since no orthologs of ZBED were found in jawless fish or more primitive vertebrates. ZBED8 belongs to the Buster family of domesticated hAT DNA transposons, which also ... greenstate credit union ratings