The answer is E. Crocodile.
Fish, scorpion, crab, and octopus are all invertebrates, meaning they do not have a backbone. Crocodiles, on the other hand, are vertebrates.
Fish are aquatic animals that have gills, fins, and scales. They breathe underwater by taking in oxygen dissolved in water through their gills. Fish come in a variety of shapes and sizes, and they can be found in all of the world’s oceans, lakes, and rivers.
Scorpions are arachnids that have eight legs, two pincers, and a tail with a stinger. They are found in warm climates around the world. Scorpions are predators, and they eat insects, spiders, and other small animals.
Crabs are crustaceans that have a hard exoskeleton, ten legs, and two claws. They are found in both fresh and salt water. Crabs are omnivores, and they eat a variety of things, including plants, algae, and other animals.
Octopuses are cephalopods that have eight arms, two eyes, and a beak. They are found in both fresh and salt water. Octopuses are predators, and they eat a variety of things, including fish, crabs, and shrimp.
Crocodiles are reptiles that have a long, thick body, a short tail, and four legs. They are found in tropical and subtropical regions around the world. Crocodiles are carnivores, and they eat a variety of things, including fish, birds, mammals, and other reptiles.
The reason why crocodile is different from the rest is because it is the only vertebrate among the given options.