Should mitosis be taught alongside meiosis or separately? Should organelles be taught together or separately across the curriculum? How...

Explanation in biology is split between two big questions. These questions should inform how we teach, and the answers we expect from students. These questions are How? and Why? So what do these mean?—that idea started with Ernst Mayr. 🚨 Update: I've moved to a new home! You can read the newest, updated version of this article on my new website here: https://christianmooreanderson.com/the-hows-whys-classroom-questions-that-get-students-explaining-biology/

Why is the word glucose problematic? Cellular respiration, which is the oxidation of organic molecules for the production of ATP, is...

How should we define DNA (or in some cases, the nucleus) in secondary school? Since beginning teaching biology I have seen such things...