Biology B (Advancing Biology) H022: The development of species: evolution and classifcation Topical Past Paper Questions
OCR AS Biology B (Advancing Biology) (H022) past-paper questions on The development of species: evolution and classifcation, free. This topic is frequently examined across 4 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
(a) Species can be classified based on a taxonomic hierarchy. (i) What is meant by the term hierarchy in this context? [1] (ii) Two concepts used in classifying organisms are the biological species concept and the phylogenetic species concept. Describe the difference between thes…
The DNA codon sequence from five different species is shown in the table below. From this evidence, which of the options, A to D, shows the most closely related species? A P and R B P and S C Q and R D Q and T
Certain geographical regions of the Earth have high species diversity including large numbers of species that are unique to these regions. Such species are called endemic species. (a) (i) What is meant by the term species diversity? [2] (ii) Some geographical regions are threaten…
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