What is the special characteristics of birth which allows them fly?

1.	What is the special characteristics of birth which allows them fly?
Answer» Birds are important\xa0members of many ecosystems. They play a vital role in controlling pests, acting as pollinators, and maintaining island ecology. In addition,\xa0birds are important\xa0to humans in many ways, such as serving as a source of food and providing fertilizer in agricultural settings. Birds have\xa0feathers\xa0that help them fly. The long flight\xa0feathers\xa0on the wings and\xa0tail\xa0help birds\xa0balance\xa0and steer. In addition, birds have a system of air sacs in their body that connect to the lungs. The air sacs enable birds to extract much more oxygen from each breath of air than other animals can.

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