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Diversity in Living Organisms
Classification, kingdoms, plant and animal taxonomy
Key Concepts
- Five kingdoms: Monera, Protista, Fungi, Plantae, Animalia
- Binomial nomenclature: Genus species (italicised; genus capitalised)
- Taxonomic hierarchy: Kingdom → Phylum → Class → Order → Family → Genus → Species
- Viruses: acellular; obligate intracellular parasites; DNA or RNA, not both
- Fungi: heterotrophic; cell wall of chitin; reproduce by spores
Important Formulae
| Mnemonic (taxonomy levels) | King Philip Came Over For Good Soup |
Quick Tips
- Bryophytes: amphibians of plant kingdom (need water for fertilisation); no vascular tissue.
- Gymnosperms: naked seeds; Angiosperms: seeds enclosed in fruit.
- Phylum Chordata: includes all vertebrates + some invertebrates with notochord at some stage.
Practice Questions
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