AP 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: -Examples of warm blooded animals include: mammals, cats, dogs, humans, giraffes, elephants, bears, beavers, chickens, monkeys, whales, deer, cows, wolf, birds, etc. Cold Blooded animals use external means to control their body temperature.

Detailed explanation-3: -The only known living homeotherms are birds and mammals, and the only living homeothermic lizard is the Argentine black and white tegu. Some extinct reptiles such as ichthyosaurs, pterosaurs, plesiosaurs and some non-avian dinosaurs are believed to have been homeotherms.

Detailed explanation-4: -Basically, warm-blooded animals include birds and mammals. There are many birds and mammals in the world, but not nearly as many as there are insects, fish, reptiles, and amphibians.