A3.1 Diversity of organisms

Master A3.1 Diversity of organisms 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.

Subtopics

A3.1.1 Variation between organisms as a defining feature of life

A3.1.2 Species as groups of organisms with shared traits

A3.1.3 Binomial system for naming organisms

A3.1.4 Biological species concept

A3.1.5 Difficulties distinguishing between populations and species

A3.1.6 Diversity in chromosome numbers of plant and animal species

A3.1.7 Karyotyping and karyograms

A3.1.8 Unity and diversity of genomes within species

A3.1.9 Diversity of eukaryote genomes

A3.1.10 Comparison of genome sizes

A3.1.11 Current and potential future uses of whole genome sequencing

A3.1.12 Difficulties applying the biological species concept (HL)

A3.1.13 Chromosome number as a shared trait within a species (HL)

A3.1.14 Engagement with local plant or animal species to develop a dichotomous key (HL)

A3.1.15 Identification of species from environmental DNA in a habitat using barcodes (HL)

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