IB Biology Topic A3.1: Diversity of Organisms Notes

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

7 minute read

A3.1.2 Species as groups of organisms with shared traits

5 minute read

A3.1.3 Binomial system for naming organisms

2 minute read

A3.1.4 Biological species concept

3 minute read

A3.1.5 Difficulties distinguishing between populations and species

3 minute read

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

8 minute read

A3.1.7 Karyotyping and karyograms

8 minute read

A3.1.8 Unity and diversity of genomes within species

5 minute read

A3.1.9 Diversity of eukaryote genomes

4 minute read

A3.1.10 Comparison of genome sizes

4 minute read

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

5 minute read

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

3 minute read

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

5 minute read

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

9 minute read

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

9 minute read