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生物学

A natural science concerned with the study of life or living matter in all its forms and phenomena, especially in relation to their origin, growth, reproduction, structure, behaviour and evolution.

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生物学 > 动物学

运动

生物学; 动物学

从一个地方到另一个的运动。动物经常使用四肢、翅膀或其他运动的附属物。

单枝型

生物学; 动物学

Among arthropods, uniramous refers to appendages that have only one branch. Insects, centipedes and millipedes, and their relatives are uniramous arthropods; land-living ...

合弓纲

生物学; 动物学

脊椎动物的一对在 sidebehind 中的掘路工程的骷髅头区别的眼睛，例如，哺乳动物和他们的近亲。

吸管

生物学; 动物学

瘦长的器官，通常与嘴关联。象鼻是重要的喂养附肢在 echiurans 中。

早熟性的

生物学; 动物学

Describes young that are mobile and fairly self-sufficient at birth. Precocial young are generally well-developed (and large) at birth, born with their eyes open, and able to ...