We had the option to opt out of taking biology in HS and take advanced physics and chem instead.
Since these were the "harder sciences" that's where I got pushed. So all the biology I learned in school was under 8th grade.
And I'm starting to think that was BAD. It's also bad that kids who are good at math and excited about STEM get steered away from geology, biology, etc. we are messing up big time with this move.