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All desert animals have little hair on their bodies. This is to prevent loss of water from their bodies. Some animals in deserts have a long sleep in the hot, summer months because there is little or no water. This summer sleep is called aestivation.AQUATIC ANIMALS Animals that live in water are called aquatic animals. What are the features that help them survive in water?Let us know about some of them. Here are some water animals.A camel has three eyelids.Did you know?How does a camel store and conserve water in the desert?CheckpointHow do dolphins breathe underwater?Checkpointduck whale dolphinfish crab snallA fish has fins to help it swim. Turtles, seals and dolphins have flippers to help them swim in water. A duck has webbed feet to help it paddle in water. A fish breathes with the help of gills. Animals like whales and dolphins breathe through lungs. They cannot breathe inside water. So, they have to come to the surface of the water very often to breathe air.AMPHIBIANS Animals that can live both on land and in water are called amphibians. Frogs, toads and salamanders are some amphibians.How does a frog adapt to the conditions on land and in water? frog salamander250 Arrow-Puffin-4_Semester-1 Science