Unanswered Questions. Vertebrates also include reptiles, amphibians, birds, and fish. Warm blooded animals can regulate the … Instead of hair though reptiles are covered with scales. Because of this, many reptiles use the colon to aid in the reabsorption of water. Answer to: Are fish mammals, reptiles or amphibians? Fish are found abundantly in the … Here they are mammals, birds, fish, reptiles, and amphibians. The biggest difference between reptiles and mammals is that reptiles lay eggs, and mammals do not. A fish is an animal that lives only in the water, whereas a reptile lives in both land and water. The five most well known classes of vertebrates (animals with backbones) are mammals, birds, fish, reptiles, amphibians. But, from a phylogenetical perspective, mammals are just a very specialized kind of bony fish. Whilst speaking of the animal kingdom, one question that stills baffles is the basic difference and similarities between Mammals and Reptiles. Mammals also have sweat glands; reptiles do not. Invertebrates are any other animal that is classified outside of that class. No. By signing up, you'll get thousands of step-by-step solutions to your homework questions. Both hair and scales are made of a substance known as keratin. They have a spine and spinal cord, and an internal skeleton. Tetrapods emerged within lobe-finned fishes, so cladistically they are fish as well. already exists as an alternate of this question. Are fish mammals amphibians or reptiles? SAVE CANCEL. Fish also have scales, although they are absent in cartilaginous fish. Vertebrates are animals with backbones. This is because they lack a specialized structure called a loop of Henle, which is present in the nephrons of birds and mammals. Most are diurnal (i.e., active during the day) but some that operate at night have a kind of thermal sight that we can make more extreme and useful, especially if we invent a humanoid species that’s reptilian. Answer to: Are fish mammals, reptiles or amphibians? Are insects amphibians, mammals, birds, mullusks, fish, or reptiles? Are Chickens Mammals or Reptiles? The reptile is also a cold blooded animal that is covered by scutes or scales. Are fish birds reptiles amphibians or mammals? and i know its not birds or fish, im just sayin. Fish is a vertebrate and vertebrates are divided in different classes .Bony Fishes are included in class Osteichthyes . Answer. The bird group is one of six basic animal groups, with the others being amphibians, fish, invertebrates, mammals and reptiles. Vertebrates are classified by the chordate subphylum vertebrata. They are all part of the phylum chordata -- I remember "chordata" by thinking of spinal chord. Are fish mammals amphibians or reptiles? Go. Mammals and reptiles belong to classes of their own , related to fish in being vertebrates but different in other aspects . Answers.com ® Categories Animal Life Fish Are fish mammals amphibians or reptiles? Vertebrates are animals that have a backbone or spinal column, also called vertebrae. already exists. Fish are their own group. MERGE CANCEL. Technically speaking, chickens and other birds are reptiles. The key difference between mammal and reptile is that mammal is a warm blooded vertebrate which can regulate the internal body temperature while reptile is a cold blooded vertebrate which cannot maintain constant body temperature.. Vertebrates are animals that have a backbone or a vertebral column.