与水生和海洋生物不同，陆生植物不能总是依靠水流来携带它们的生殖细胞和分散它们的受精卵。
Unlike aquatic and marine forms, land plants cannot always rely on water currents to carry their sex cells and disperse their fertilized eggs.
北卡罗来纳州，阿巴拉契亚州立大学的脊椎动物古生物学者Andrew Heckert也没有参与这次研究，但他欣喜的赞叹道：“能拥有这些牙齿和卵囊的化石实在是太完美了。 一般只能找到生痕化石[例如皮肤的痕迹]或者身体某个部位的化石，然后绞尽脑汁，想方设法的让它成为一个理论的典型论据。”
The "fact they got these shark teeth fossils with the egg capsules is what makes it really neat, " noted Andrew Heckert, a vertebrate paleontologist at Appalachian State University in North Carolina.
在雌性瓢虫的一生中将产下多达2000枚的卵。
In its lifetime, a female ladybug will lay as many as 2, 000 eggs.
一对配偶只生一个卵，轮流照看。
Mating pairs produce a single egg and take turns caring for it.
桑蚕属鳞翅目蚕蛾科，是一种完全变态昆虫，一生经历卵、幼虫（蚕）、蛹、成虫（蛾）四个阶段。
The mulberry silkworm belongs to Bombycidae. It is an insect of complete metamorphosis. There are four stages of its life: egg, larva, pupa and moth.
雌螈的产卵量为80粒左右，卵单生，外表缺乏粘性，往往成堆留在地面。
The egg-laying amount of a female salamander is 80 or so. The egg is solitary, lacks of viscosity, and often remains in pile in the ground.
雌螈的产卵量为80粒左右，卵单生，外表缺乏粘性，往往成堆留在地面。
The egg-laying amount of a female salamander is 80 or so. The egg is solitary, lacks of viscosity, and often remains in pile in the ground.
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