Term
| the west coast of the US is mostly rocky because |
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Definition
| it's active margin has been uplifted geologically |
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Term
| the southeastern US and gulf of mexico do not have a rocky coastline cuz...? |
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Definition
| the huge weight of sediments that is causing the coastline to subside |
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Term
| Most rocky intertidal organisms live on the rocks and are called |
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Definition
|
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Term
| Another word for intertidal is? |
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Definition
|
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Term
| what are the intertidal's 3 zones? |
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Definition
| splash zone, intertidal, and subtidal |
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Term
| when do high organisms get wet? |
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Definition
|
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Term
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Definition
| tides that occur at full and new moons |
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Term
| intertidal organisms have to content with? |
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Definition
| drying out extreme temperature, predation, salinity, oxygen, and being stepped on |
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Term
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Definition
|
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Term
| how do organisms resist desiccation? |
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Definition
| some close up to hold in water, and some clamp onto rocks |
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Term
| how does theh snail nerita stay cool? |
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Definition
| by being white, and having ridges to radiate heat |
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Term
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Definition
| they are intertidal fish that has a suction cup formed by their pelvis fins |
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Term
| what are some ways organisms deal with wave shock? |
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Definition
| some have thicker shells, low profiles, flexible, and their glue is very strong |
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Term
| why is there few deposit feeders in the intertidal zone? |
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Definition
| wave action does not allow sediments to accumulate |
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Term
| what is the most common organism in intertidals? |
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Definition
|
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Term
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Definition
|
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Term
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Definition
| muscles use them to hold onto things |
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Term
| what is the upper intertidal zone? |
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Definition
| little water goes there, it is all by splashes, and there are ferw inhabitants |
|
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Term
| what is the middle intertidal zone? |
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Definition
| its covered and uncovered by tides daily, high wave action, competition for space, and high predation |
|
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Term
| what do barnacles and limpheads have in common? |
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Definition
| they are both shaped like pyramids to help them withstand wave action |
|
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Term
| what keeps mussels from taking over middle intertidal? |
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Definition
|
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Term
| natural intertidal communities are? |
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Definition
| diverse communities, theres mussels, sea stars, macro algae, and barnacles |
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Term
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Definition
|
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Term
| whats a keystone predator? |
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Definition
| they are not very abundant, but they have a great effect on their community proportionally |
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Term
| where in the intertidal zone do you find macroalgae? |
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Definition
| in the lower intertidal zone, and you find red green brown |
|
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Term
| what does timing have to do with intertidal zones? |
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Definition
| its everything because if a space opens up, you need to have your larvae vacate the spot as soon as possible |
|
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Term
| whats the lower intertidal zone? |
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Definition
| underwater most of the time, mussels and barnacles are rare because predators feed on them. Sea Anemones, worms, snails, slugs |
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Term
| what is the intertidal food chain? |
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Definition
| snails eat the green algae, crabs eat the snails, gulls eat the crabs, |
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Term
| what is the difference between california mussel and blue mussel? |
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Definition
| the california mussel is thicker |
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Term
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Definition
| it is macrocystis and it is a fertile habitat |
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Term
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Definition
| amphipods and they feed on wrack |
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Term
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Definition
| they one of the most abundant beach organisms they live in moist sand and they can reach up to a foot in length |
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Term
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Definition
| they are whales, dolphins, or porpoises. About 90 different species |
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Term
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Definition
| by moving their fluke up and down |
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Term
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Definition
| the toothless filter feeders and the toothed whales |
|
|
Term
| what are the largest mammals on earth? |
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Definition
|
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Term
|
Definition
| a net of rising air bubbles released by a whale concentrates fish |
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|
Term
| what is a problem marine mammals have? |
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Definition
| keeping their internal organs cool because they are very active |
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Term
| why are whales endangered? |
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Definition
| because of their oil and meat they have long gestation periods so they do not reproduce quickly |
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Term
| how do tooth whales make noise? |
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Definition
| by moving their air through their nasal passages and the melon focuses the sound |
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Term
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Definition
| baleen whales migrate seasonally from feeding areas to breeding areas. Toothed Whales do not migrate |
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Term
| how do whales dive so deep? |
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Definition
| they can extract 90 percent of oxygen in the air and they have a very large lung area |
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Term
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Definition
| the seals sea lions an walruses |
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Term
| how are seals and sea lions different? |
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Definition
| sea lions have an ear flap, and can rotate their rear fins forward, seals can't |
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Term
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Definition
| they follow pack ice and they migrate 1,000 miles twice a year |
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Term
| whats the smallest marine mammal? |
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Definition
|
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Term
| why are dugongs and manatees threatened? |
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Definition
| they cannot swim that far down |
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Term
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Definition
| manatees and dugongs, relatives of the elephant |
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Term
| why are polar bears in danger of extinction? |
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Definition
| the ice is melting quicker, so they have less time to hunt |
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Term
|
Definition
|
|
Term
| how many species of sea snakes are there |
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Definition
|
|
Term
| what does the marine iguana eat? |
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Definition
|
|
Term
| what are the three classes of seabirds? |
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Definition
| coastal, offshore, pelagic |
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|
Term
| what are coastal seabirds? |
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Definition
| they spend part of their day on land like pelicans and seagulls. |
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Term
|
Definition
| they spend days or weeks at sea |
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Term
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Definition
they can spend months to years at sea.
Albatrosses and tropic birds |
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Term
| which bird has the longest migration |
|
Definition
| arctic turn. 10,000 mile migration |
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Term
| how do birds know where they are going? |
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Definition
| odor map, stars, sun, magnetic compass, magnetic map |
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Term
| what is another word for red tide? |
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Definition
|
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Term
|
Definition
| when species of phytoplankton form red tides. A quarter of these produce toxins |
|
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Term
| why have blooms been spreading? |
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Definition
| when boats pick up water and drop it off in new areas. It also increases runoffs into bays, from fertilizers and animal waste |
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Term
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Definition
| lots of sun, low wind, high runoff, and lots of nutrients |
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Term
| how do blooms affect life in the water? |
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Definition
| when they die, they drop to the bottom, and then decay, use up oxygen. This kills fish and other marine organisms |
|
|
Term
| what is karenia brevis toxin? |
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Definition
| it forms a family of neurotoxins which is known as the breva toxins |
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|
Term
| how does karenia brevis toxin affect humans? |
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Definition
| it gets in the air and people breath it, eye irritation, respitory distress |
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Term
| fish higher up in the foodchain... |
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Definition
| have a higher toxin concentration |
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|
Term
| what is amnesic shellfish poisoning? |
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Definition
| it is from shellfish that ingest diatoms and it kills pelicans people and sea lions |
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|
Term
| who is johanne burkholder? |
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Definition
| an investigator of pfistiera who fights hog farmers |
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Term
| how are organisms being affected by these blooms? |
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Definition
| by eating the dinoflagellates |
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