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...

In this biology instructional activity, students complete a crossword puzzle with 42 questions about bacteria. They identify the different characteristics of bacteria.

Exactly how environmentally friendly is your school? From the air fresheners in the bathrooms to the cleaning solvents used in the classrooms, young conservationists search the school grounds for sources of air pollution in...

In this biology learning exercise, students answer questions.

Study how the immune system helps to protect us against diseases and pathogens such as viruses, bacteria, and parasites.

Kids learn about infectious diseases including pathogens such as viruses, bacteria, parasites, and fungi as well as transmission and other types of diseases.