Interviews or Office Visits must be done by

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“Interviews” or Office Visits must be done by June 6 th!!! Dr. Duncan: Here

“Interviews” or Office Visits must be done by June 6 th!!! 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

Ocean Habitats Chapter 12 Oregon Coast Field Trip

Oregon Coast Field Trip dusk. geo. orst. edu/oceans/field. html 7: 00 - Check in

Oregon Coast Field Trip dusk. geo. orst. edu/oceans/field. html 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, [email protected] orst. edu

Required Field Trip Guide dusk. geo. orst. edu/oceans/field. html or on reserve in library

Required Field Trip Guide dusk. geo. orst. edu/oceans/field. html or on reserve in library Answers to bolded questions in guide – Due by start of class, 1: 00, June 2 nd 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

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

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

The Rocky Shore

The Rocky Shore

Oregon Rocky Shore

Oregon Rocky Shore

Spray Zone: periwinkle snails boundary between spray & intertidal rock louse & sea roaches

Spray Zone: periwinkle snails boundary between spray & intertidal rock louse & sea roaches scavenge organic debris

High Tide Zone: filter-feed seawater / larvae are planktonic limpets, buckshot barnacles

High Tide Zone: filter-feed seawater / larvae are planktonic limpets, buckshot barnacles

Oregon Limpet

Oregon Limpet

Chiton Tonicella mollusc related to sea snails, clams, limpets

Chiton Tonicella mollusc related to sea snails, clams, limpets

Middle Tide Zone: more variety, competition for space goose barnacles, mussel, sea stars

Middle Tide Zone: more variety, competition for space goose barnacles, mussel, sea stars

Oregon Barnacles on Mussel

Oregon Barnacles on Mussel

Fun Fact for the Day: Barnacle symbiosis male & female attached to each other

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

Oregon Sea Star Zonation

Oregon Sea Star Zonation

Pisaster Sea Stars

Pisaster Sea Stars

Henricia Sea Star

Henricia Sea Star

Low Tide Zone (Tide Pools): dominated more by plants than by animals algaes, sea

Low Tide Zone (Tide Pools): dominated more by plants than by animals algaes, sea urchins, sea anemones

Exploring the Tide Pools (and associated geology) Shoes wilth good tread/grip Extra socks Rubber

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!!!

Oregon Algaes - Fachea

Oregon Algaes - Fachea

Oregon Algaes - Hallosaccion

Oregon Algaes - Hallosaccion

Oregon Algaes - Mazzaella

Oregon Algaes - Mazzaella

Oregon Algaes - Postelsia

Oregon Algaes - Postelsia

Oregon Sea Urchins

Oregon Sea Urchins

Oregon Anemone - Anthopleura

Oregon Anemone - Anthopleura

Oregon Anemone - Corynactis

Oregon Anemone - Corynactis

Shore Crabs roam entire intertidal range Scavengers feeding on dead animals, seaweed

Shore Crabs roam entire intertidal range Scavengers feeding on dead animals, seaweed

Oregon Crab - Pugettia

Oregon Crab - Pugettia

Animals of the Rocky Shores spray zone – mostly dry, covered by water only

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

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,

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

Finding Nemo Extra Credit DUE ¥ DUE by start of last class of the term, 1: 00, Friday, June 6 th!!!! ¥ 15 pts. on final exam

Sandy Shores no fixed surface to attach to different adaptations protect animals from fluctuations

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

Clams

Clams

Worms, Amphipods, Sand Stars

Worms, Amphipods, Sand Stars

Feeders on Sandy Shores Clams – suspension feeding Worms – deposit feeding by ingestion

Feeders on Sandy Shores Clams – suspension feeding Worms – deposit feeding by ingestion Amphipods – deposit feeding on surface Sand stars – carnivorous feeding on unlucky neighbors