diff --git a/capra course.md b/capra course.md
index 3b3a164e4..4ef96f255 100644
--- a/capra course.md	
+++ b/capra course.md	
@@ -21,8 +21,9 @@
 		- [[prebiotic evolution]]
 		- [[lipid walls]] acted as proto membranes, formed [[bubbles]]
 			- within simple bubbles that tended to let some compounds selectively in and keep them in, those compounds collisioned and interacted much more often than without
-			- yields [[network chemistry]]
-			-
+			- yields [[network chemistry]], highly [[non linear]]
+				- ()[[non linear dynamics]], [[complexity theory]] figures prominently.)
+			- competition for nutrients yielded [[evolutionary pressure]]
 		- [[universal ancestor]] is thought to have come into existence around ~3.5B years ago
 		- rather than seeing evolution as the result of random mutations, the central focus is on the creativity and the dynamics of life as processes of increasing complexity
 		- [[history of evolutionary thought]]