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B4.1 Adaptation to environment

IB Biology Topic B4.1: Adaptation to Environment

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 B4.1 Adaptation to Environment (SL/HL) covers syllabus content as part of Topic B4: Ecosystems under Theme B: Form and Function. 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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19 chapters

Lessons

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9 lessons

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B4.1.1 Habitat as the place in which a community, species, population or organism lives

B4.1.2 Adaptations of organisms to the abiotic environment of their habitat

B4.1.3 Abiotic variables affecting species distribution

B4.1.4 Range of tolerance of a limiting factor

B4.1.5 Conditions required for coral reef formation

B4.1.6 Abiotic factors as the determinants of terrestrial biome distribution

B4.1.7 Biomes as groups of ecosystems with similar communities

B4.1.8 Adaptations to life in hot deserts and tropical rainforest

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What this topic covers

B4.1 Adaptation to environment

Topic B4: Ecosystems

Theme B: Form and Function