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“Interviews” or Office Visits must be done by June 6th !!! Dr. Duncan: Here Before or After class OR. Dr. Wright: MW 2:00-3:00 Wilkinson 114. Ocean Habitats Chapter 12 Oregon Coast Field Trip. 7:00 - Check in 7:15 - Busses leave from Wilkinson lot
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“Interviews” or Office Visitsmust be done by June 6th!!!Dr. Duncan: Here Before or After classOR Dr. Wright:MW 2:00-3:00 Wilkinson 114
7:00 - Check in 7:15 - Busses leave from Wilkinson lot 8:30 - Seal Rock/ Yaquina Head volcanic rocks and tide pools NO MONEY required 11:00 - HMSC Visitor Center 12:30 - Lunch at HMSC or on bus (bring your own) 1:30 - Return to Corvallis Conflicts: contact lead TA Jeff Ninnemann, ninnemaj@onid.orst.edu Oregon Coast Field Trip - dusk.geo.orst.edu/oceans/field.html
Required Field Trip Guidedusk.geo.orst.edu/oceans/field.htmlor on reserve in library • Answers to bolded questions in guide • Due by start of class,1:00, June 2nd • Makeups due by start of final exam, June 11, 6:00 p.m.
Animals of the Benthos • 98% of marine species are benthic • Hydrothermal vents • Coral reefs • Rocky shore • Sandy shore
Rocky Shores • spray zone • mostly dry, covered by water only during storms • high tide zone • fairly dry, covered only by the highest high tide • middle tide zone • equally exposed & covered during all high & low tides • low tide zone • mostly wet
Spray Zone:periwinkle snails boundary between spray & intertidalrock louse & sea roachesscavenge organic debris
High Tide Zone:filter-feed seawater / larvae are planktoniclimpets, buckshot barnacles
Chiton Tonicellamollusc related to sea snails, clams, limpets
Middle Tide Zone:more variety, competition for spacegoose barnacles, mussel, sea stars
Fun Fact for the Day: Barnacle symbiosis male & female attached to each other through most of life until male reduced to size of microscopic penis
Low Tide Zone (Tide Pools):dominated more by plants than by animalsalgaes, sea urchins, sea anemones
Exploring the Tide Pools (and associated geology) • Shoes wilth good tread/grip • Extra socks • Rubber boots, if you have them • Take your field trip guide with you! • Be prepared with questions!!!
Shore Crabs roam entire intertidal rangeScavengers feeding on dead animals, seaweed
Animals of the Rocky Shores • spray zone • mostly dry, covered by water only during storms • periwinkle snail • rock louse • high tide zone • fairly dry, covered only by the highest high tide • buckshot barnacles • limpets
Rocky Shores cont. • middle tide zone • equally exposed & covered during all high & low tides • more variety, competition for space • goose barnacle, mussel, sea star • sea anemone, hermit crabs, sea urchins (tidal pools) • low tide zone • mostly wet • surf grass, algae, seaweeds, • sea urchins, sea anemones
Finding Nemo Extra Credit • Go to the movie • 1-page reaction paper, typed, single-spaced • Attach ticket stub to paper OR • Study web site - www.findingnemo.com • 1- page reaction paper, typed, single-spaced • Pass Mr. Ray’s quiz, print out certificate, attach to paper
Finding Nemo Extra Credit DUE • DUE by start of last class of the term, 1:00, Friday, June 6th!!!! • 15 pts. on final exam
Sandy Shores • no fixed surface to attach to • different adaptations protect animals from fluctuations in • temperature • salinity • water levels (so as not to dry out) • clams, worms, sand stars, amphipods
Feeders on Sandy Shores • Clams • suspension feeding • Worms • deposit feeding by ingestion • Amphipods • deposit feeding on surface • Sand stars • carnivorous feeding on unlucky neighbors