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...

Show your class how engineers use graphs to understand large and complex systems. The resource provides the beginnings of graph theory by introducing the class to set theory, graphs, and degree distributions of a graph. 

Two multiple-choice quizzes about cells. The first is on cell theory, basic information about cells, and cell types. The second is on cell structures and functions.

Practice exercise on facilitated diffusion.

Take this interactive, multiple-choice quiz over cells and cell structure, then review your score and any missed questions at the end.

Practice exercise on membrane transport. This is new content.

Take this practice quiz to test your knowledge of cells. See how fast you can name the parts of the six different cells. By changing the level, it is appropriate for students of all grades.

This multiple-choice quiz on cell growth allows students to get hints for each question and check their answers after submitting.

Take this interactive, multiple-choice quiz over the biochemical processes of life, then review your score and any missed questions at the end.

Take an interactive quiz over plant and animal cells. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Using your knowledge of cell compartmentalization answer the multiple choice questions found on this site.

Twenty multiple choice questions about cellular structure and function. After submitting answers, students can review any missed material.

Try these fifteen self-checking quiz questions over cellular structure and function. Click on hints to see information about each question.

Assess your understanding of cells and their function with this interactive multiple choice quiz. Immediate feedback is provided.

Students determine which cell organelles have a similar function to different places in a city.

Take an interactive quiz over organic compounds. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Take an interactive quiz over biochemistry and organic chemistry. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Take an interactive quiz over the molecules of life. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Take this interactive, multiple-choice quiz over the organic molecules important to life, then review your score and any missed questions at the end.