Web28 feb. 2024 · Tiktaalik roseae, a fossil discovered in 2006, contains evidence of its wrist, elbow, and neck that mirror those of tetrapods (animals with four limbs), supporting the … Web6 okt. 2024 · The lobster is a large, bottom-dwelling marine crustacean that belongs to the phylum Arthropoda. While many marine arthropods are referred to as lobsters by their …
What is the average number of legs for an animal?
WebTetrapods, or animals that have four limbs, evolved from fish that migrated from water to land. Fish, therefore, do not have any limbs. Are fish fins limbs? Scientists know how the fins of fish transformed into the limbs of tetrapods, but controversies remain about where and how the earliest tetrapods used their limbs. … WebAll tetrapods have four limbs that are organized into two bilaterally symmetrical pairs, with one pair at each end of the torso. The cranial pair (closer to the head) are known as the … north country electrical services
23 Examples of Animals With No Legs (A to Z List +Pictures)
WebHerbivorous fish have bulky stomachs. Carnivores. They feed on other fish through a short digestive system and a fairly large stomach. Herbivores feed on algae and other vegetables, they have a less bulky stomach. Limnivores. They feed on waste and various materials present in the bottoms of watercourses. Omnivores. WebAnswer (1 of 6): In short, evolution would prohibit fish from having floppy, inefficient legs. In the water, fish need to be aerodynamic to move quickly. If a fish had a genetic defect and grew legs, it would be less aerodynamic and unable to get away from predators. Fins work to push the water a... Web5 mrt. 2024 · Lobe-Finned Fish: They have a backbone and jaws; their endoskeleton is made of bones; they have thick, fleshy fins; they are ectothermic. coelacanth. … north country ems yacolt wa