(par 3.10.2) State of equilibrium
http://www.wisegeek.com/what-is-equilibrium.htm Equilibrium is a state in which no net change is occurring. Something in a state of equilibrium could be considered to be stable, balanced, or unchanging, and such a state is extremely rare, usually only existing for brief periods of time before something disturbs the balance. This concept is very important in the sciences, […]
(par 3.10.1) Change in the Environment – Ask an Indicator Species
http://www.dw.de/change-in-the-environment-ask-an-indicator-species/a-18009616 Indicator species such as pikas or frogs can signal a biological change in an ecosystem and can be used to diagnose its overall health, helping conservation efforts. Yet, picking the right indicator is not easy. Polar bears straddling melting ice may be the most visible global symbol of climate change. But another harbinger, say […]
(par 3.10.1) Homeostatisis (from Wikipedia)
http://en.wikipedia.org/wiki/Homeostasis Homeostasis Homeostasis (from Greek: ὅμοιος, hómoios, “similar”; and στάσις, stásis, “standing still”; defined by Claude Bernard and later by Walter Bradford Cannon in 1926, 1929 and 1932) is the property of a system, either open or closed, that regulates its internal environment and tends to maintain a stable, constant condition. Typically used to refer […]