Life Sciences is one of the most important subjects for South African matric learners aiming for university admission, especially those pursuing careers in medicine, nursing, biology, environmental science, and related fields. This study guide is designed to help Grade 12 learners master the CAPS curriculum content and approach their final exams with confidence. The guide covers all major Life Sciences topics examined in the NSC, including DNA and genetics, evolution, human physiology, ecology, and plant and animal biology. Each section includes clear explanations, labelled diagrams, key terminology, and worked examples drawn from past NSC exam papers. The structured format can assist learners in identifying their weak areas and focusing their revision time effectively in the months leading up to the exams. This resource is particularly useful for learners who may not have access to extra tuition or who are studying independently. It is written in plain, accessible English and may help bridge gaps left by classroom instruction. Parents and tutors can also use this guide to support learners at home. The guide is designed to complement — not replace — your school textbook and teacher guidance.