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D3.3 Homeostasis

IB Biology Topic D3.3: Homeostasis

A1.1 Water

A1.2 Nucleic acids

A2.1 Origins of cells (HL)

A2.2 Cell structure

A2.3 Viruses (HL)

A3.1 Diversity of organisms

A3.2 Classification and cladistics (HL)

A4.1 Evolution and speciation

A4.2 Conservation of biodiversity

B1.1 Carbohydrates and lipids

B1.2 Proteins

B2.1 Membranes and membrane transport

B2.2 Organelles and compartmentalization

B2.3 Cell specialization

B3.1 Gas exchange

B3.2 Transport

B3.3 Muscle and motility (HL)

B4.1 Adaptation to environment

B4.2 Ecological niches

C1.1 Enzymes and metabolism

C1.2 Cell respiration

C1.3 Photosynthesis

C2.1 Chemical signalling (HL)

C2.2 Neural signalling

C3.1 Integration of body systems

C3.2 Defense against disease

C4.1 Populations and communities

C4.2 Transfer of energy and matter

D1.1 DNA replication

D1.2 Protein synthesis

D1.3 Mutations and gene editing

D2.1 Cell and nuclear division

D2.2 Gene expression (HL)

D2.3 Water potential

D3.1 Reproduction

D3.2 Inheritance

D3.3 Homeostasis

D4.1 Natural selection

D4.2 Sustainability and change

D4.3 Climate change

IB Biology Topic D3.3 Homeostasis (SL/HL) covers syllabus content as part of Topic D3: Organisms under Theme D: Continuity and Change. Use these Notes, Questionbank, Videos, Flashcards, and Lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.

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11 videos

Study Guide

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28 chapters

Lessons

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12 lessons

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11 flashcard decks

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12 definitions

D3.3.1 Homeostasis

D3.3.2 Negative feedback loops in homeostasis

D3.3.3 Regulation of blood glucose as an example of the role of hormones in homeostasis

D3.3.4 Physiological changes that form the basis of type 1 and type 2 diabetes

D3.3.5 Thermoregulation as an example of negative feedback control

D3.3.6 Thermoregulation mechanisms in humans

D3.3.7 Role of the kidney in osmoregulation and excretion (HL)

D3.3.8 Role of the glomerulus, Bowman’s capsule and proximal convoluted tubule in excretion (HL)

D3.3.9 Role of the loop of Henle (HL)

D3.3.10 Osmoregulation by water reabsorption in the collecting ducts (HL)

D3.3.11 Changes in blood supply to organs in response to changes in activity (HL)

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What this topic covers

D3.3 Homeostasis

Topic D3: Organisms

Theme D: Continuity and Change