If the balance of nature is left untouched, landscapes can change dramatically over time. A previous ecosystem is supers..
The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..
Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..
The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..
The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..
