9 DDT1960sBald Eagles, Osprey, Brown Pelicans almost EXTINCT!DDT biomagnifies, they’re top predators…thinned the egg shells…
10 Hmmmm... What group is the biggest water polluter in the US? Industry!!What is the single largest source of water pollution in the US??Run-off of silt, pesticides and fertilizers!!!
11 And...Why would tertiary consumers have higher concentrations of toxins than primary consumers?How does the biomagnification pyramid compare with the energy pyramid?How are carrying capacity and indicator species related? ...If population of indicator species far below c.c., toxin present?
14 LEAD GAMEAlternative Website: ARKive, IUCN, Oil Spill
15 16.4 Threats to Biodiversity KEY CONCEPT The IMPACT of a growing HUMAN population threatens biodiversity.
16 Preserving biodiversity is important to the. future of the biosphere Preserving biodiversity is important to the future of the biosphere!!! For REAL!!The loss of biodiversity has long-term effects:loss of medical and technological advancesextinction of speciesloss of ecosystem stability
17 Loss of habitat eliminates species Habitat fragmentationprevents organism from accessing its entire home rangebarrier forms w/in habitaturban development
18 Habitat corridors are a SOLUTION to the problem! corridors can be road overpasses or underpassesallow species to move between different areas of habitat
19 Introduced species can disrupt stable relationships in an ecosystem. Brought to an ecosystem by humans!!accidentalpurposeful“Invasive” species: environmental & economic impactsOnly in SC since 2002Only in SC since 1994