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How to Cram for the IB Biology 2025 Onward Syllabus in One Week

Phoo Pwint Thaung Sein
4 min read

The IB Biology 2025 syllabus introduces a wealth of new material, spanning from molecular biology to ecosystems. With its detailed and comprehensive structure, it's essential to have a strategic plan, especially if you’re down to the wire with only one week left to study. Fear not! With the right approach, you can cover the key areas effectively and boost your chances of acing the exam.

The New Syllabus Breakdown

The new IB Biology syllabus for 2025 onwards is divided into four main themes:

  1. Unity and Diversity
  2. Form and Function
  3. Interaction and Interdependence
  4. Continuity and Change

Each theme is further broken down into levels of organization: Molecules, Cells, Organisms, and Ecosystems. Here's a step-by-step guide to help you cram all this information efficiently in one week.

Why Cramming Can Work (With the Right Plan)

Cramming isn't the ideal way to learn, but sometimes it's the only option left. The key to successful cramming is focus and structure. Here’s how you can turn a stressful situation into a manageable task:

  • Prioritize Key Topics: Focus on the most heavily weighted sections and core concepts.
  • Use High-Yield Study Materials: Summarized notes, flashcards, and practice questions are your best friends.
  • Active Learning: Engage with the material through quizzes, teaching others, and application-based questions.

Your Day-by-Day Plan

Here's a detailed day-by-day plan to guide you through the process:

Day 1: Unity and Diversity

Morning:

  • A1 Molecules
    • A1.1 Water
    • A1.2 Nucleic acids

Afternoon:

  • A2 Cells
    • A2.1 Origins of cells (HL only)
    • A2.2 Cell structure
    • A2.3 Viruses (HL only)

Evening:

  • A3 Organisms
    • A3.1 Diversity of organisms
    • A3.2 Classification and cladistics (HL only)

Day 2: Unity and Diversity (Continued)

Morning:

  • A4 Ecosystems
    • A4.1 Evolution and speciation
    • A4.2 Conservation of biodiversity

Review Key Concepts & Quiz Yourself

Day 3: Form and Function

Morning:

  • B1 Molecules
    • B1.1 Carbohydrates and lipids
    • B1.2 Proteins

Afternoon:

  • B2 Cells
    • B2.1 Membranes and membrane transport
    • B2.2 Organelles and compartmentalization
    • B2.3 Cell specialization

Evening:

  • B3 Organisms
    • B3.1 Gas exchange
    • B3.2 Transport
    • B3.3 Muscle and motility (HL only)

Day 4: Form and Function (Continued)

Morning:

  • B4 Ecosystems
    • B4.1 Adaptation to environment
    • B4.2 Ecological niches

Review Key Concepts & Quiz Yourself

Day 5: Interaction and Interdependence

Morning:

  • C1 Molecules
    • C1.1 Enzymes and metabolism
    • C1.2 Cell respiration
    • C1.3 Photosynthesis

Afternoon:

  • C2 Cells
    • C2.1 Chemical signaling (HL only)
    • C2.2 Neural signaling

Evening:

  • C3 Organisms
    • C3.1 Integration of body systems
    • C3.2 Defense against disease

Day 6: Interaction and Interdependence (Continued)

Morning:

  • C4 Ecosystems
    • C4.1 Populations and communities
    • C4.2 Transfers of energy and matter

Review Key Concepts & Quiz Yourself

Day 7: Continuity and Change

Morning:

  • D1 Molecules
    • D1.1 DNA replication
    • D1.2 Protein synthesis
    • D1.3 Mutations and gene editing

Afternoon:

  • D2 Cells
    • D2.1 Cell and nuclear division
    • D2.2 Gene expression (HL only)
    • D2.3 Water potential

Evening:

  • D3 Organisms
    • D3.1 Reproduction
    • D3.2 Inheritance
    • D3.3 Homeostasis

Day 8: Continuity and Change (Continued)

Morning:

  • D4 Ecosystems
    • D4.1 Natural selection
    • D4.2 Stability and change
    • D4.3 Climate change

Review Key Concepts & Quiz Yourself

Get Started Now!

With this plan, you're equipped to tackle the IB Biology 2025 syllabus in one week. Remember to take short breaks, stay hydrated, and keep a positive mindset. If you need more resources, RevisionDojo offers extensive notes, flashcards, and interactive tools to help you maximize your study time.

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