8546
The uptake of Se ( IV ) by Myriophyllum spicatum , Ceratophyllum demersum and Potamogeton perfoliatus , and the effects of Se ( IV ) on their physiological and biochemical characteristics were studied .
 Chemical: Se ( IV ); Chemical: Se ( IV )
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Se ( IV ); Chemical: Se ( IV )