Khan Academy: High School Biology

Twenty-six pages of biology questions, mostly in multiple-choice form, are included in the all-encompassing New York State Regents exam. It assesses every topic typically covered in a high-school biology course. Create your own answer...

Emerging ecologists need a full understanding of life, from the inner workings of a cell to the complex relationships among organisms. This examination is meant to assess high schoolers after an entire year of courses on the living...

Test your knowledge of cellular respiration in this quiz made for high school biology students.

Review concepts covered in high school biology dealing with cellular respiration. Page includes vocabulary as well as charts to explain the process.

Learn a new technique for representing organic molecule structure called line or line-angle diagram. This technique was created by Khan Academy founder, Sal Khan. [7:28]

A video taking a closer look at the study of life known as biology. [5:54]

Learn some important differences between arteries (high pressure/low volume) and veins (low pressure/high volume). Rishi is a pediatric infectious disease physician and works at Khan Academy. [11:09]

A video introducing you to the topic of cellular respiration that are taught during high school biology. Video covers glycolysis, Krebs Cycle, and the electron transport chain. [14:19]

This article list some fundamental topics for students to review over before studying biology.

Explore what biology is the study of in this short video. [4:33]