But it's not just those doing battle that are always changing. 但不断变化的 不仅仅是参与战斗的生物
is that competition drives adaptation. 竞争推动适应
...has produced the huge diversity that exists today. 产生了现存的巨大的生物多样性
The first rule of life, that the best adapted will win through... 生命的第一条法则适者生存
What's more, the fake eggs produce a sweet nectar that attracts ants... 而且假卵分泌出甜蜜 吸引蚂蚁
...forming growths on their leaves that mimic butterfly eggs... 在叶子上长出类似于蝴蝶卵的东西
other butterflies adapt to only lay on plants that are free of eggs... 其他蝴蝶进行进化 只在没有卵的植物上产卵
that can eat the otherwise poisonous leaves, 能够吃那些原本有毒的叶子