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 Niche • Choose an organism • Describe its niche – Biotic factors – Abiotic factors 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 Succession Image courtesy of Wikipedia Image courtesy of U.S. Fish and Wildlife Service Carrying Capacity Images removed due to copyright restrictions.