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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 CC 0 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
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