a Nile crocodile spends most of its life fasting

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The surest method of speeding up rates of breeding is to become warm-blooded. Why do alligators and tortoises continue to grow slowly if this is an inferior evolutionary tactic? (life size dinosaur for sale)There is no defect in their biomechanical system. Turtles and alligators rely on the same basic systems of enzymes employed by mammals. If those systems were exploited at full capacity, an alligator would be able to grow as fast as an ostrich. But reptiles cannot exploit their full potential for growth, because their cold-blooded physiology makes them less effective in gathering food in the wild than a warm-blooded creature. Their fluctuating body temperature forces them to operate their food procurement and growing processes at levels far below maximum for much of their lives. (Dinosaur factory)Warm-blooded birds and mammals, on the other hand, may be absorbing nourishment into their digestive systems at rates very close to the biochemical maximum.

 

A lot of direct evidence proves that presentday Reptilia in the wild usually operate their growing apparatus far below capacity. Wildlife biologists generally study the stomach contents of their specimens in order to study the animals’ diet. What is found in alligators is surprising on average, big crocodilians are empty, or nearly so. Compared to the average lion or hyena, a Nile crocodile spends most of its life fasting. Lizards tell the same story on average, lizard stomachs are less full of food than are mammals’. (dinosaur costume)The ultimate proof that reptilian growth usually works far below maximum capacity comes from what happens when reptiles are kept in cages warmed to their favorite temperature and are continuously provided with food. This turns out to be the only way to accelerate an alligator’s rate of growth to the maximum: Keep it warmed all day long, seven days a week, and keep forcing proteinrich food into it. Most research scientists couldn’t afford to perform such an experiment, but the private sector has come to the rescue.(animatronic dinosaur) Alligator and crocodile skins sell to a lucrative market for shoes and handbags, and since conservationist measures restricted hunting of wild specimens, enterprising businessmen started to farm them. Others have even tried turtle farming, because giant sea turtles produce highly esteemed meat. On all these farms, crocodiles, alligators, and turtles grow almost as fast as warm-blooded mammals. The only side effect the reptiles suffer is an occasional attack of gout from the combination of rich diet and lack of exercise.