NEET BIOLOGY

Detailed explanation-1: -All mammals and birds are capable of generating this internal heat and are classed as homoiotherms (ho-MOY-ah-therms), or warm-blooded animals. Normal temperatures for mammals range from 97° F to 104° F.

Detailed explanation-2: -Birds are warm-blooded vertebrates. They have three characteristics that distinguish them from other animals: feathers; hard-shelled eggs; and hollow bones. Like mammals, birds are warm-blooded, meaning that their body temperature stays the same no matter how hot or cold it is outside.

Detailed explanation-3: -Yes, birds are warm-blooded animals. Just like mammals, a bird’s body temperature will remain the same regardless of whether its environment is hot or cold. This is the opposite of amphibians and reptiles, who rely on their environment to generate body heat or cool down!

Detailed explanation-4: -So, the correct answer is ‘Birds’.