Subjects: Biology

Respiration offers an overview of the human respiratory system through the experiences of an athlete training for a triathlon competition.

Generations: Mitosis and Meiosis chronicles the process of cell division

Patterns of Inheritance begins with theories of inheritance developed by Gregor Mendel in the mid-1800s and goes on to discuss how modern-day plant geneticists improve the productivity of commercially grown crops.

DNA: Blueprint of Life explores the research that led to the famous double-helix model of DNA.

Proteins: Building Blocks of Life explains the structure of proteins, along with a unique property of DNA and proteins to replicate the genetic code over thousands of years.

Microevolution presents the theories of natural selection that further defined the origin of species.

Macroevolution describes the larger picture of species’ changes over time, their patterns and trends.

Fungi, Plants, and Animals explains the basic biological classification system and gives an evolutionary overview of the characteristics found in three of the five animal kingdoms: fungi, plants, and animals.

Plant Structure outlines the characteristics of plant tissues, the nature of plant growth, and the methods of water transport employed by various plants.