How to Construct Concept Map Cloud on Birds



Birds are vertebrate animals that have feathers, wings, and beaks. Like all vertebrates, they have bony skeleton. Most birds are able to fly, but some (like ostriches and penguins) cannot fly even though they still have wings. Other kinds of animals like insects and bats can fly too, but birds are the only animals with feathers. Birds have scales on their lower legs and feet, like reptiles. All birds reproduce by laying eggs with hard shells, and most build nests to help protect the eggs from weather and predators. Adult birds almost always sit on the eggs to keep them warm until they hatch.


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