18486
Short - term ( 28 d ) lab experiments indicated that the intrinsic rate of increase ( r ) and carrying capacity ( K ) of the marine diatom Seminavis robusta decreased with increasing atrazine exposure .
 Chemical: atrazine
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: atrazine