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test tomorrow!

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
show autotrophic, contains chrlorophyll A and carry out photosynthesis  
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show protista  
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show true  
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what percentage of the world's atmospheric oxygen does algae produce?   show
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show because they require sunlight  
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true or false: there are algae that are multicellular and some that are unicellular.   show
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show 70 meters/230 feet  
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show the mass of mostly microscopic organisms that float freely in the waters of aquatic environments  
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true or false: algae make up the ocean's plankton.   show
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show plankton  
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how are algae classified?   show
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CHRYSOPHYTA is?   show
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PYRROPHYTA is?   show
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what is the largest group of fire algae?   show
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show green algae, its multicellular. 7,000 species exist in this phyla. only a few species are marine, most are freshwater and they range from microscopic up to 8m long, they are similar to greem plants on land. examples: volvox and spirogyra  
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show brown algae, its multicellular. 1,500 species; nearly all species are marine, are found on rocky coasts and in cooler waters  
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show it helps keep large seaweed and kelp stay afloat  
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show brown algae (phaeophyta)  
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show true  
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RHODOPHYTA is?   show
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show phycobillins.  
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diatoms are in what classification?   show
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most species are freshwater and similar to plants.   show
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makes up the ocean's phytoplankton.   show
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show dinoflagellates  
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show brown algae (phaeophyta)  
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show red algae (rhodophyta)  
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true or false: multicellular algae lack true roots, stems, leaves, flowers, fruits, and seeds.   show
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show the simple body of a multicellular algae  
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show 1) hold fast 2) stipe 3) blade  
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what is a hold fast?   show
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show stem-like area, flexible; functions to allow blades to be close to the surface for light absorption  
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show leaf-like area, site of sexual reproduction  
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show sexual & asexual  
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what 3 groups of algae contain seaweed?   show
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show food (primarily in Asian nations), potash (important fertilizer), & iodine (primarily in Russia)  
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show true  
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show agar  
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what product is used in foods as a thickening agent?   show
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define diatom.   show
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Created by: Lauren_Chambless