Interaction & Interdependence (DP IB Biology) Get ready for your DP IB Biology exams with our revision resources. Find everything you need to revise this topic, so you can go into your exam confident and prepared. Teachers and examiners write all our resources, and they’re designed specifically for each exam board. We regularly update them to match the latest syllabus, so you’ll only revise the most accurate, up-to-date information. Explore the collection below to get started.
Interaction & Interdependence Revision Notes Enzymes & Metabolism Metabolism: Enzymes & Reactions Enzyme Action Enzyme Activity: Skills Enzyme Reaction Rates: Skills Activation Energy: Skills Cell Respiration Adenosine Triphosphate (ATP) Cell Respiration Cell Respiration: Skills Photosynthesis The Process of Photosynthesis Separating Photosynthetic Pigments: Skills Absorption Spectra Absorption & Action Spectra: Skills Limiting Factors of Photosynthesis: Skills Carbon Dioxide Enrichment Experiments Neural Signalling Neurones: Function & Structure Nerve Impulses Nerve Impulses: Skills Synapses Integration of Body Systems Integration in Living Organisms The Nervous System Reflex Arc & Movement Control Epinephrine & Melatonin Control Mechanisms Defence Against Disease Pathogens Barriers to Pathogens: Skin & Mucous Membranes Blood Clotting The Immune System White Blood Cells Adaptive Immune Response HIV & AIDS Antibiotics Antibiotic Resistance Zoonoses Vaccines & Immunity Evaluating COVID-19 Data: Skills Populations & Communities Populations in Ecosystems Estimating Population Size Limiting Population Size Limiting Population Size: Examples Population Growth Curves: Skills Populations: Intraspecific Relationships Community: Interspecific Relationships Interspecific Competition Chi-Squared Test: Skills Transfer of Energy & Matter Ecosystems as Open Systems Energy Flow in Ecosystems Obtaining Carbon Compounds in Ecosystems Trophic Levels Pyramids of Energy: Skills Energy Losses Primary & Secondary Production The Carbon Cycle Nutrient Cycling Interaction & Interdependence Exam Questions Enzymes & Metabolism Multiple Choice Questions Structured Questions Cell Respiration Multiple Choice Questions Structured Questions Photosynthesis Multiple Choice Questions Structured Questions Neural Signalling Multiple Choice Questions Structured Questions Integration of Body Systems Multiple Choice Questions Structured Questions Defence Against Disease Multiple Choice Questions Structured Questions Populations & Communities Multiple Choice Questions Structured Questions Transfer of Energy & Matter Multiple Choice Questions Structured Questions Interaction & Interdependence Flashcards Enzymes & Metabolism Cell Respiration Photosynthesis Neural Signalling Integration of Body Systems Defence Against Disease Populations & Communities Transfer of Energy & Matter DP IB Biology Past Papers