deletions | additions       diff --git a/layout.md b/layout.md  index e72918a..2232641 100644  --- a/layout.md  +++ b/layout.md 
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Abstract.md  Introduction.md  Methods.md  figures/ISS_Homes_PCA1/ISS_Homes_PCA1.png  Results.md  figures/BarChart_Class_ISS2/BarChart_Class_ISS2.png  figures/BarChart_Genus_ISS/BarChart_Genus_ISS.png figures/ISS_Homes_PCA1/ISS_Homes_PCA1.png