State the characteristics which are seen in the class that includes the birds Wikipedia class 9
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Birds belong to the class of aves and the characteristics of this class are as follows:
1. They have a body that's shaped like a spindle and is divided into four main parts-
Head, Neck, Trunk and Tail
2. They all have either a beak or bill. This helps them to catch their prey, eat and also feed the young.
3. They are referred to as endothermic vertebrates.
4. They have forelimbs which are modified in a way that aids them in flying.
5. They have a complete 4 chambered heart.
6. They have scaled feet which shows their resemblance to the reptiles.
7. They have bones which are light and hollow and pelvis is also fused together.
8. Mostly all of them lay eggs.
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Characteristics of Birds
Explanation:
- The high metabolic rate, and a four-chambered heart,or the laying of hard -shelled eggs and a solid yet lightweight skeletBirds are warm-blooded. They have quills, wings and lay eggs.
- Winged creatures can fly with the assistance of their empty bone. Chicken is the most widely recognized types of flying creature everywhere throughout the world.
- Empty bones,wings and quills help flying creatures to fly. Empty bones and quills secured body make their body light,while wings help them to fly. Legs, wings and empty bones.
- Flying creatures had the option to become flying machines to a great extent through the developmental endowments of quills, incredible wings, empty bones, warm blood, an amazing respiratory framework, and a huge, solid heart.
- The Peregrine hawk is the quickest fowl and in actuality the quickest creature on Earth when in a plunge. As it executes this jump, the Peregrine bird of prey takes off to an extraordinary tallness, at that point plunges steeply at paces of more than 200 miles (320 km) every hour.
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