The curriculum for the 2nd High School Biology course, as announced in September 2020, includes extremely current and interesting topics. The purpose of this book is to help the student navigate the multidimensional subjects studied by the science of Biology.

The material is organized into teaching units. Each section includes:

• Detailed presentation of the theory in the form of questions and answers.

• Methodology for solving the exercises.

• Detailed solved exercises.

• Critical questions – combinational.

• True-false, multiple-choice and matching questions, designed to reinforce details of the theory.

• Evaluation criterion for checking the knowledge acquired by the student.

• Quotations that are off-topic but help to understand the theory and avoid rote memorization.

At the end of the book there are detailed answers to all the questions, exercises and evaluation criteria it includes, as well as the answers to the textbook questions.