Unformatted text preview: value: all make species susceptible to extinction. Ecosystems as Environmental Support Systems Species diversity is important to preserve because ecosystems are composed of species and provide us with so many of life's essentials, dismantle them and we have a real big problem: • Oxygen to breathe (for use in aerobic respiration. • Medicines (to augment the body's own immune defenses) • Food (which we as heterotrophic consumers in the food pyramid need). • Drinkable water (purified by microbial activity) How to Reduce Species Extinction and Destruction of the Biosphere | Conferences in 1992 and 1994 resulted in binding international treaties to control management of finite resources and population growth along with the resulting human impact on the biosphere....
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This note was uploaded on 11/29/2011 for the course BIO BSC1010 taught by Professor Gwenhauner during the Fall '10 term at Broward College.
- Fall '10