WebWhat separates the shark from the ray-finned fish. Vertebrae. What is the only trait that the shark has? Frog. What animal has four limbs, bony skeleton and vertebrae. ... Which … WebLobe-finned fish (scientific name: Sarcopterygii) have a series of bones at the base of their fins that bear a curious resemblance to the bones in our arms and legs. And the fact is that these bones evolved to become the bones of the limbs of the first amphibians 370 million years ago. And those first amphibians evolved into all other tetrapods, or four-legged …

Amphibian - Evolution Britannica

WebApr 12, 2014 · Ray-finned fish do not have bones in their fins, but lobe-finned fish—including the living coelacanth, the lungfish, and Tiktaalik—have long bones in their fins. Some have just a so-called “humerus” or “femur,” and some have one or two long bones distal to these. Some even have “wrist-like” bones and digits. Tiktaalik is one of ... WebWhile the largest subclass, Actinopterygii (ray-finned fish), is monophyletic, with the inclusion of the smaller sub-class Sarcopterygii, Osteichthyes was regarded as paraphyletic. This has led to the current cladistic … how to change time in zkteco

Ch. 25 Flashcards Quizlet

WebMatch the amphibian group with the characteristics that best describe it. Anura > Compact, tailless body; large head fused to trunk; rear limbs specialized for jumping. Caudata > … WebCoelacanths are the only living sarcopterygians that live in the ocean. The Sarcopterygii [1] is a class of fish. They are lobe-finned fish, like the lungfish and coelacanths. They are a clade of bony fish which first … michaels pillow forms