In school I was taught that you when you eat something on you only get 10% of the energy because 90% percent is used, looking for the food or other things. If this is wrong an explanation would be awesome.
In: Biology
The 10% vs 90% thing is really just a basic guideline, and honestly a little misleading. Everything that we take into our bodies becomes energy in one way or the other.
A better analogy would be a gas tank. You fill your gas tank with a big meal, but if you have to drive all over the city to find your next meal, then your tank might he close to empty again before you fill back up.
Ambush predators, on the other hand, use far less energy, and as such dont have to eat as often. Some large snakes, and lizards can eat a large meal, and then not have to eat again for weeks, because of how stationary their lives are.
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