Adaptation A biological adaptation is any structural (morphological or anatomical), physiological, or behavioral characteristics of an organism or group of organisms (such as species) that make it better suited in its environment and consequently improves its chances of…
http://eschooltoday.com/ecosystems/scales-of-an-ecosystem.html Ecosystems come in indefinite sizes. It can exist in a small area such as underneath a rock, a decaying tree-trunk, or a pond in your village, or it can…
http://www.botanicalgarden.ubc.ca/kids/ecosystem.php An ecosystem is a community of plants, animals and smaller organisms that live, feed, reproduce and interact in the same area or environment. Some ecosystems are very large. For example, many bird…