NEET BIOLOGY

Detailed explanation-1: -Vertebrates are the species which have a vertebrae or backbone. The vertebrate animals include reptiles, humans, birds, fish, mammals and amphibians. These are also known as Craniata. Vertebrates consist of animal species inside the Subphylum Vertebrata which means chordates having backbone.

Detailed explanation-2: -The phylum chordata (animals with backbones) is divided into five common classes: fish, amphibians, reptiles, mammals and birds.

Detailed explanation-3: -Birds are warm-blooded vertebrates (vertebrates have backbones) and are the only animals with feathers. Although all birds have wings, a few species can’t fly.

Detailed explanation-4: -Fish are aquatic vertebrate animals that have gills but lack limbs with digits, like fingers or toes. Recall that vertebrates are animals with internal backbones. Most fish are streamlined in their general body form.

Detailed explanation-5: -Class-Reptilia Reptiles are a class of cold-blooded vertebrates-their body temperature varies with their environment. Reptiles include snakes, lizards, crocodiles, and turtles.