(par 3.10.1) System regulation – It’s all about Homeostasis

http://www.biology4kids.com/files/systems_regulation.html Homeostasis is a term that is used to both describe the survival of organisms in an ecosystem and to describe the successful survival of cells inside of an organism. Organisms and populations can maintain homeostasis in an environment when they have a steady level of births and deaths. It is similar to the idea […]
(par 3.10 ) 2014-09-16 Marion Island’s plague of mice

http://www.iol.co.za/scitech/science/environment/marion-island-s-plague-of-mice-1.1563686 August 17 2013 at 09:00am By John Yeld NO HOPE: Seabird expert Andrea Angel examines a six-month-old Wandering Albatross chick on Gough Island that was attacked by house mice during the 2003/4 season. The mice caused the large wound in the chick’s abdomen that is exposing its body cavity, even though the chick is […]
(par 3.10 ) Species Richness and Diversity Species Richness and Diversity

http://en.wikibooks.org/wiki/Ecology/Species_Richness_and_Diversity Contents 1 Species Diversity Introduction 2 Abiotic Species Diversity Hypotheses 3 Biotic Species Diversity Hypotheses 4 Rapoport’s Rule 5 Diversity Measurements 1. Species Diversity Introduction Species Richness (s) is a relative term that refers to the number of species in a community, and is directly associated with measuring the diversity of species in a given area. A related term, evenness […]