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1.2 Concept and uses of classification systems

Syllabus
0610–2026–2027
Topic
1.2
Level
—

1.2.1—Organisms can be classified into

  • State that organisms can be classified into groups by the features that they share

1.2.2—Species as a group of organisms that

  • Describe a species as a group of organisms that can reproduce to produce fertile offspring

1.2.3—Binomial species names

  • Describe the binomial system of naming species as an internationally agreed system in which the scientific name of an organism is made up of two parts showing the genus and species

1.2.4—Dichotomous keys based on identifiable

  • Construct and use dichotomous keys based on identifiable features

1.2.5—Classification systems aim to reflect

  • Explain that classification systems aim to reflect evolutionary relationships

1.2.6—DNA base sequences for classification

  • Explain that the sequences of bases in DNA are used as a means of classification

1.2.7—Groups of organisms which share a more

  • Explain that groups of organisms which share a more recent ancestor (are more closely related) have base sequences in DNA that are more similar than those that share only a distant ancestor

Objective notes

7 learning objectives
ConceptIGCSE Biology