2427
The percentages of formed cysts and growth rates were monthly estimated and analyzed rhythmometrically by cosinor for 5 clonal cultures of Scripsiella trochoidea Stein grown for 2 years under laboratory conditions , rended as constant as possible from the view point of environmental temperature ( 24 + / - 1 degree C ) , lighting ( 25 microEin m - 2 s - 1 ) , and artificial seawater .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None