Introduction to Practicum Biology is a foundational textbook designed to equip students with a comprehensive understanding of the fundamental principles of biological science, while simultaneously acknowledging and honoring the role of God as the Creator and Sustainer of all life. Rooted in both empirical inquiry and Christian worldview, this book introduces students to the awe-inspiring complexity of life on Earth and invites them to explore biology as a powerful lens through which the glory of God is revealed. This text serves as an essential resource for students entering the life sciences, health sciences, or environmental studies. It begins by introducing the nature of science itself—what it is, how it works, and why it matters—emphasizing the importance of scientific thinking, observation, hypothesis testing, and ethical responsibility. Readers are guided through the hierarchy of biological organization, from the microscopic wonders of the cell to the macroscopic intricacies of ecosystems and populations.