Most organisms are classified according to a taxonomic hierarchy. The hierarchy is shown in [Figure 8.1] but the group names are not in the correct order. 1 - kingdom 2 - order 3 - genus 4 - family 5 - domain 6 - class 7 - species 8 - phylum Complete Table 8.1 by writing the numbers in the correct order. 5 __________ __________ __________ __________ __________ __________ 7 [Table 8.1]
- (a)Most organisms are classified according to a taxonomic hierarchy. The hierarchy is shown in [Figure 8.1] but the group names are not in the correct order. 1 - kingdom 2 - order 3 - genus 4 - family 5 - domain 6 - class 7 - species 8 - phylum Complete Table 8.1 by writing the numbers in the correct order. 5 __________ __________ __________ __________ __________ __________ 7 [Table 8.1][2]
- (b)Members of the Eukarya domain share similar features but will also have several differences. Complete Table 8.2 by stating the differences between the kingdoms Fungi and Plantae. [Table 8.2][3]
- (c)Name the domain that contains organisms with a peptidoglycan cell wall.[1]
- (d)Viruses are not included in the three domain classification. Outline how viruses are classified.[2]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (May/June 2020). The mark or mark type is shown in brackets.
- [2] 5 1 8 6 2 4 3 7 ;;
- all correct = 2 marks
- four in correct consecutive sequence = 1 mark
- [3] method of nutrition heterotrophic autotrophic ;
- storage polysaccharide glycogen starch ;
- main component of cell wall chitin cellulose ;
- [1] bacteria;
- [2] RNA or DNA ;
- single-stranded or double-stranded ;
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