Al-Mawrid in Biology for the Ninth Level, Part 2, authored by Walid Nazzal, is a pivotal educational textbook published in 2017 by Dar Safa for Publishing and Distribution. This volume continues the curriculum, offering an in-depth exploration of advanced biological concepts. It is meticulously structured to align with academic standards, featuring clear explanations, detailed diagrams, and relevant exercises to reinforce learning. The book aims to provide students with a solid and comprehensive understanding of biology, serving as an indispensable tool for classroom study, homework, and exam preparation, ensuring students are well-equipped for academic success.