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| the smallest oldest life forms and simplet organisms in the sea are |
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| the smallest oldest life forms and simplet organisms in the sea are |
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| dead particulate organic material |
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| microscopic organisms that drift with the currents |
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| The most important primary producers in the ocean are |
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| the very smallest phytoplankton |
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| Heterotrophic organisms use... |
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| preformed organic matter for their nutrition |
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| What don't macroalgae have |
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| the three major groups of macroalgae are |
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| is obtained from red alge and found in many foods |
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| is obtained from red algae and found in many foods |
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| the richness and variety of life on earth |
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| basically the euphotic zone |
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| zooplankton that spend their entire life as plankton |
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| How do benthic organisms colonize new areas of the ocean |
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| they have a planktonic larval stage in their life cycle |
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| discarded larvacean houses |
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| are a shrimp like organism |
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| discarded larvacean houses |
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| Zooplankton vertical migration is in sync with |
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| describes how bacteria use dissolved organic matter to grow on |
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| Where are phytoplankton most productive |
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| In the open ocean what limits the growth of phytoplankton |
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| what color penetrates the water the most |
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| one reason why upwelling areas are so productive for commercial fisheries because |
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| the food chain is so short |
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| sea otters are most important to kelp communities because |
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| the complete body of a seaweed is known as |
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| diatom frusules get smaller as they divide and to get them larger again what do the cells do |
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| organisms that eat plants are called |
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| organisms that eat plants are called |
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| primary producers occupy the |
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| generally there is little phytoplankton photosynthesis occuring deeper than the |
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| the essential nutrient present in hte lowest amount limits growth |
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| the process in which bacteria break down particulate matter to release nutrients is called |
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| iron availability often limits phytoplankton productivity most iron enters the ocean from |
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| when the thermocline breaks down in hte winter, what enters the euphotic zone from deep water |
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| in the ocean, rates of primary productivity are highest |
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| why is primary productivity high along the equator in hte Pacific Ocean |
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| vertical migration in zooplankton is correlated with |
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| sea otters insulate their bodies from cold water |
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| having a very dense coat of hair |
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| baleen whales mainly feed on |
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| the real start of marine biological research is generally acknowledged to be |
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| British challenger expedition |
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| flexible framework of inquiry used by scientists |
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| originate from coral atolls which have sunk beneath teh sea surface |
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