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Warm-Up: For each organism below, list 2 biotic and 2 abiotic factors that might affect it. Homework Symbiosis HW Symbiosis Sym = together Bio= living A symbiotic relationship is when 2 organisms live together and at least one of them relies on the other Mutualism: A symbiotic relationship where both species benefit Keywords: Equal benefit Example: Humans and Bacteria Commensalism: A relationship that benefits one organism and neither hurts nor helps the other Keywords: one benefits, other unaffected Example: Whales and Barnacles Parasitism: A relationship where one organism (parasite) feeds on the tissues or body fluids of another organism (host) Keywords: one hurts the other Example: Lamprey and Fishes Predation: Example: Boa and Gazelle A relationship where one organism actively hunts another organism Keywords: one hunts another Scavenger: Organisms that feed on the bodies of dead organisms Example: The Vulture Keywords: one eats another’s scraps Keywords: both compete Competition: When two or more organisms compete for the same resource Example: Humans and Shorebirds on the eastcoast! Human Parasites ewww… Brainpop LETS Review Essential Question List the types of symbiotic relationships and give an example of each. Your Assignment Visit the stations around the room. At each one, write the organisms involved in the relationship. Use 2 of the following faces to represent each relationship Justify the symbols and name the type of relationship. Complete the analysis and application questions (extension is extra credit) Read the article and answer the questions