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Name: Jarred
Status: student
Age: 4-5
Location: FL
Country: N/A
Date: 12/15/2005

Why does warm blooded animals need to eat more regular than cold blooded creatures?

Because they use some of their "fuel" to heat their bodies. Warm blooded animals are technically called homeotherms ("same temperature") because they maintain a constant body temperature. It's like constantly having to add logs to your fireplace if you want your house to stay warm. Cold blooded animals are called poikilotherms ("different temperatures") take on the heat from their environment. If it is cold out, their bodies are roughly the same temperature as it is outside. One is not necessarily better than the other, its just a different way of allocating their fuel. Warm blooded organisms can move faster and can live in areas of differing climate better than cold blooded, but they have to eat more. Cold blooded organisms need to live either in moderate temperatures or become more or less dormant in cold weather, and they can't move fast for long periods of time, but they also don't have to eat as often.


If you are warm blooded, your body makes it's own heat. In order for it to do that it needs lots of energy, not only to keep warm, but also to move. We get our energy from food. Cold blooded animals cannot make their own heat, so all their food is used for energy to move. However, that energy is used up fast when cold blooded animals move. That's why most cold blooded animals move slowly and don't eat as often.

Grace Fields

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