能以无氧方式产生的能量是存在的糖原量的功能——在所有脊椎动物中，糖原量约占其肌肉湿重的0.5%。
The amount of energy that can be produced anaerobically is a function of the amount of glycogen present—in all vertebrates about 0.5 percent of their muscles' wet weight.
脊椎动物中，多倍体往往是致死的，而多倍体植物却可以很好的存活。
In vertebrates, polyploidy tends to be lethal, but plants can do just fine with all this extra genetic material.
奇怪的是，研究者们发现了这种色素存在于各种各样的脊椎动物中。
Curiously, researchers have also seen melanin in the testes of a variety of species in all vertebrate groups.
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