Vol. 12, No. 2 (2020), International Journal of Biology

• • Young Ants Already Possess a Mental Number Line
  • •  Marie-Claire Cammaerts   
    •  Roger Cammaerts   
    • p1
    •  PDF 
      
• • Ants Acquire the Notion of Zero through Experiences
  • •  Marie-Claire Cammaerts   
    •  Roger Cammaerts   
    • p13
    •  PDF 
      
• • Influence of Shape, Color, Size and Relative Position of Elements on Their Counting by an Ant
  • •  Marie-Claire Cammaerts   
    •  Roger Cammaerts   
    • p26
    •  PDF 
      
• • Evidence for Initiation of Post-Zygotic Reproductive Isolation between Drosophila ananassae and D. pallidosa as Indicated by Reduction in the Fertility of Hybrid Males
  • •  Roshni Singh   
    •  Bashisth Narayan Singh   
    • p41
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• • Studies on Mating Preference and Productivity in Drosophila ananassae and D. pallidosa and Their Hybrids
  • •  Roshni Singh   
    •  Bashisth Narayan Singh   
    • p52
    •  PDF 
      
• • A Model of Animals Phenotype with Superior Growth
  • •  V. L. Stass   
    • p65
    •  PDF 
      
• • Reviewer acknowledgements for International Journal of Biology, Vol. 12, No. 2
  • •  Liam Bai   
    • p72
    •  PDF 
      

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