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| Question | Answer |
| Define the term 'species' | A group of organisms with similar morphological and physiological characteristics which reproduce fertile offspring |
| Define the term 'ecosystem' | An interacting system of all living and non-living things in a defined area |
| Define the term 'niche' | The role of a species in an ecosystem |
| Biodiversity includes... | 1) variation in ecosystems or habitats 2) number of different species 3) genetic variation that exists within the population of each species in a given area |
| Give the order of kingdom subdivisions | - Kingdom - Phylum - Class - Order - Family - Genus - Species |
| Name the 4 kingdoms | 1) Kingdom Protoctista 2) Kingdom Fungi 3) Kingdom Plantae 4) Kingdom Animalia |
| Name the three-domain classifications | 1) Archea 2) Bacteria 3) Eukarya |
| Why are viruses not included in the three-domain classification? How are they classified instead? | 1) Have no characteristics of living things (except for reproduction) 2) By the type of nucleic acid they contain i.e. RNA or DNA and whether they are double or single-stranded |
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