News • http://www.boston.com/news/local/rhode_island/ articles/2009/10/05/ri_considers_water_rate_incr ease/ • http://www.maforests.org/Impacts.htm • http://www.boston.com/news/local/massachusett s/articles/2009/10/06/400_witness_the_monarch s_taking_wing/ • http://www.boston.com/business/articles/2009/1 0/06/alternative_energy_vehicles_on_exhibit/ • http://www.boston.com/lifestyle/green/articles/20 09/10/05/russia_wharf_tower_plan_holds_water/ Ecosystems Interactions between biotic and abiotic factors Interactions between individuals, species, and trophic levels Energy • Autotrophs—primary producers • Heterotrophs – – – – – Primary consumers Seconday consumers Tertiary consumers Top predators Decomposers Food Webs Image courtesy of Thompsma ,Wikipedia under Creative Commons CC0 1.0 Universal Public Domain Images removed due to copyright restrictions. Resource Partitioning Niche Images removed due to copyright restrictions. Niche • Choose an organism • Describe its niche – Biotic factors – Abiotic factors Populations-Abiotic Factors Images removed due to copyright restrictions. Predator-Prey Relationships • In pairs, choose an organism (one predator, one prey) • Describe your adaptations to optimize your success • Discuss how these 2 organisms will interact Populations-Biotic Factors Camouflage Mutualism Image courtesy of Wikipedia Image courtesy of Wikipedia Succession Image courtesy of U.S. Fish and Wildlife Service Carrying Capacity Images removed due to copyright restrictions.