IB biology - A3.1 Diversity of organisms

Syllabus

Standard level

• 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 due to divergence of non-interbreeding populations during speciation
• 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

Additional higher level

• A3.1.12 Difficulties applying the biological species concept to asexually reproducing species and to bacteria that have horizontal gene transfer
• A3.1.13 Chromosome number as a shared trait within a species
• A3.1.14 Engagement with local plant or animal species to develop a dichotomous key
• A3.1.15 Identification of species from environmental DNA in a habitat using barcodes

Slides