Key words: Evolution – Lactation – Mammals – Mammary Gland – Milk. SAMENVATTING . Some of their characteristics like oviparity and a hairy mammary.
What fossils reveal about the hairy history of mammals' ancestors . also for the development of mammary glands and the maintenance of fur.
around their mammary glands, giving their breasts a roughly globular have a clear preference for less hairy females, modern females do not appear to have.
(b) Likewise, the scheme involves intermediates, such as the “hairy reptile”, the transformation of a “hairy” reptile into a “hairy reptile with mammary glands”.