C4.2.1 Ecosystems

Master C4.2.1 Ecosystems with International Baccalaureate (IB) Biology exam-style questions, flashcards, lessons, and notes. All resources are aligned with the International Baccalaureate (IB) syllabus and designed for both SL and HL students.

Learn

Videos

Master each concept with an explainer video

Updated

Textbooks

Comprehensive notes with diagrams and examples

Updated

Lessons

Step-by-step lessons and quizzes

Updated

Flashcards

Learn key concepts with active recall

Practice

Question Bank

Practice questions with AI feedback