WebFish definition, any of various cold-blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with scales. See more. WebVertebrates are animals that have a backbone inside their body. The major groups include fish, amphibians, reptiles, birds and mammals. Invertebrates don't have a backbone.
Fish - Reproduction and structure Britannica
WebFish come in so many different shapes and sizes, how can we tell what is actually a fish? For a start, fish don't have legs and they live in water. … WebThe scientific definition of fish is complex and can be a little confusing. Here is a much simplified definition. Fish are: Chordates, they have a backbone or notochord (cartilaginous support). Live almost entirely in water. Have apparatus to extract oxygen from water (gills). Have appendages without digits (fins). Are generally ectothermic. dick blick drawing supplies
Fish Skeleton Inside of a Fish DK Find Out
WebSep 15, 2024 · Mammals are animals that have hair or fur, have live babies instead of laying eggs, and feed their babies milk from the mother. Mammals are also warm-blooded, which means they make their own heat ... WebAug 21, 2024 · Fish facts! This learning video for kids is the classroom edition of our Fish for Kids video. The classroom edition videos feature the learning content witho... WebFish are a kind of animal that lives in water. Fish have lived on Earth for more than 450 million years. There are more than 24,000 species, or kinds, of fish. New ones are … Fish Insects and Other Arthropods Mammals Mollusks Other Sea Animals … Some animals have special colors or markings called protective coloration. … Countless tiny living things float and drift in the world’s oceans and other bodies of … Plants and animals have special characteristics, or traits, that help them … dick blick drawing paper