Unit 3 · Evolution and Diversity of Organisms

A/L Biology

• Origin of life and early evolution
• Theories of evolution and natural selection
• Evidence for evolution
• Species, speciation and population genetics
• Principles of classification and the three domains
• Bacteria and Archaea
• Kingdom Protista
• Kingdom Fungi
• Kingdom Plantae: land plants, bryophytes and pteridophytes
• Seed plants: gymnosperms and angiosperms
• Kingdom Animalia: body plans, sponges and cnidarians
• Flatworms, roundworms, annelids and molluscs
• Arthropods and echinoderms
• Phylum Chordata and the vertebrate classes