correlation and causation: Many students do not understand the fundamental difference between correlation and causation. In this lab, stomata density variation likely results from interacting ...
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Signs of a problem with your stoma

Medically reviewed by Sonal Kumar, MD Key Takeaways Call your doctor if your stoma turns pale, dry, or changes colors, like dark red or purple.Go to the emergency room if your stoma has extreme color ...
https://www.jstor.org/stable/newphytologist.210.4.1149 Copy URL Agrawal AA, Conner JK, Rasmann S. 2010. Tradeoffs and negative correlations in evolutionary ecology ...