BioAlgae Crossword
                  
                  
                  
                  
                  
                  
                  
                  
                  
                  
 
 
Down: 1) multicellular; found in cool marine environments2) photosynthetic unicellular protists w/ silica shells4) Multicellular organisms found in warm ocean waters; their color results from red photosynthetic pigments. Across: 3) diploid zygote with a thick, protective wall; in Chlamydomonas life cycle.5) individual organisms that behave as seperate amoebas; gather together to form colonies during times of environmental stress6) major part of marine plankton; may have given rise to plants.
 

 

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