What is the best way to prepare for an AP® exam? Learners become familiar with the AP® Biology exam by completing a full-length practice exam. The AP® test prep by the College Board contains multiple choice, grid-in, and free-response...

The average AP Biology score dropped in 2018 with the addition of more data tables and graphs. Offer additional practice free-response questions by using the questions from the 2018 AP exam covering phylogenetic trees, cell structure and...

With AP Biology remaining the most popular AP science exam, many teachers need help preparing. The College Board offers the actual free-response questions from the 2017 test covering pollination, germination, and more. Scholars learn the...

Many future doctors earn college science credit by passing the AP biology test while still in high school. Help young scientists prepare for the exam by studying past test questions. Each of the eight questions covers multiple topics...

A remarkably high number of scholars passed the AP Biology exam in 2016 with over 61 percent earning college credit. The College Board released the entire free-response section for future scholars to study. After answering the eight...

An eight-unit electronic textbook provides a guide to AP® Biology. Each of the 28 chapters include an introduction, multiple lessons, a summary, review questions, and test prep questions. Teachers see how each lesson connects to a big...

The most popular AP science exam, Biology, also maintains the highest passing rate. The College Board releases old test questions covering trichomes and much more, along with statistics and scoring guidelines to help scholars study for...

The interplay between biology and psychology is a complicated one. Learners explore the connection using free-response questions from an administered AP® exam. Scholars also ponder how bias helps people remember what they see.

Every major concept, key term, and definition that an AP US history student should know for a test prep session and the big exam is right here in this comprehensive, well-organized study guide. 

Do you know the name for the biological study of interactions? A short presentation with accompanying worksheet introduces individuals to ecology. The materials offer a broad overview of the subject and the levels of organization to...

In the ecological game of who eats who, one small change can have a big impact! Individuals create food chains in an array of ecosystems, then determine what happens to organisms in the chain when one organism changes its feeding...

When crocodiles close their mouths, you still see their teeth, but when alligators close their mouths, their teeth are hidden. Learn more about these reptiles and their many evolutionary cousins in a fact-filled presentation. It...

Don't want to sound corny, but your class will be a-maize-d by an engaging activity! Explore the history of the modern corn plant through a video and Punnett squares. Junior genetics experts get hands-on experience with actual research...

It's not a sprint, it's a marathon! Statistic concepts take time to develop and understand. A guided activity provides an opportunity for individuals to practice their linear regression techniques in spreadsheet software. The activity...

A page that lists every biology standard once and lists all the Khan AP Biology course content that covers that standard.

A list of every piece of Khan AP Biology content once and shows all the standards covered by that content.

Practice exercise on population ecology.

Practice exercise on natural selection. This is new content.

Practice exercise on Hardy-Weinberg Equilibrium.

Practice exercise on phylogeny.

Practice exercise on facilitated diffusion.

Practice exercise on membrane transport. This is new content.

This is a list of 66 problems/exercise to solve covering the content of Chapter 12: Fluid Dynamics & Its Biological & Medical Applications from the AP Physics online Text.

This page provides a summary of the content from each section of Chapter 12: Fluid Dynamics and Its Biological & Medical Applications.