[100% Off] Aquatic mammals Free Course Coupon

Description

Mammals come in a bewildering variety of shapes and sizes and yet all of the 4700 or so species have some characteristics in common. Indeed, it’s the existence of these common features that justifies the inclusion of all such diverse types within the single taxonomic group (or class) called the Mammalia. Mammals evolved on land, but a number of species have become adapted to spending part or all of their lives in water and it is these mammals that you are going to concentrate on.

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