Cambridge AS & A Level Biology
18.1Classification
Classification in Cambridge AS & A Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic31 practice questions2 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 18.1.1Discuss the biological, morphological and ecological species concepts.
- 18.1.2Describe the three domains Archaea, Bacteria and Eukarya.
- 18.1.3State that Archaea and Bacteria are prokaryotes differing in membrane lipids, ribosomal RNA and cell walls.
- 18.1.4Describe the taxonomic hierarchy within Eukarya.
- 18.1.5Outline the features of the kingdoms Protoctista, Fungi, Plantae and Animalia.
- 18.1.6Outline how viruses are classified by nucleic acid type and strandedness.
Lessons
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Classification: species, the taxonomic hierarchy and the three domains
40 min
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The kingdoms of life and their major groups
40 min
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Sample question
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