Down
(Science: dermatology, zoology) fine, soft feathers, soft, fine hair.
Dictionary > Down
You will also like...
The Hominids
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
Fish
The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..
Still Water Animals
Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..
Respiration
The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..
Adaptation Tutorial
Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..
Protein Activity and Cellular Metabolism
Proteins have a crucial role in various biological activities. Get to know how proteins are able to perform as enzymes, ..
