Figures 7–8. 

Pearson’s linear correlation between Copper (7) and zinc (8) concentrations and the incidence of deformities in the mentum of Chironomus (oral cavity) Chironomus.

  
  Part of: Deliberalli W, Cansian RL, Mielniczki Pereira AM, Loureiro RC, Hepp LU, Restello RM (2018) The effects of heavy metals on the incidence of morphological deformities in Chironomidae (Diptera). Zoologia 35: 1-7. https://doi.org/10.3897/zoologia.35.e12947