每一种生物都有控制自己行为的时钟，科学家们称之为生物钟。
Every living thing has what scientists call a biological clock that controls behavior.
因此每一种生物都有它存在的意义，它们都在以自然的法则生存。
So each has its biological significance of the existence, they are in the natural law of survival.
我们认为每一种生物都有活着的意愿，有权利活着，远离痛苦和折磨。
We believe that every creature with a will to live has a right to live free from pain and suffering.
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