BY2 Biodiversity and Evolution 0.0 / 5 ? BiologyBiodiversity and EvolutionASWJEC Created by: DanielleCreated on: 30-11-13 14:59 *8 State the term used to describe structures which are similar in structure but serve different functions? Homologous 1 of 10 Give an example of homologous features. The pentadactyl limb of chordata 2 of 10 Name examples of the pentadactyl limb. Arm of human, the wing of a bat, the flipper of a whale, the wing of a bird, the leg of a horse 3 of 10 What is the name given to features that are similar, have the same function and have developed due to similar environments. Analogous 4 of 10 Give an example of analogous features. Wings of birds and wings of insects 5 of 10 Define mutations. A permanent change in the DNA or chromosome number of a cell 6 of 10 Define convergent evolution the tendency of unrelated organisms to acquire similar structures 7 of 10 Name a problem with using physical features to state common ancestry Convergent evolution may have arose 8 of 10 What is DNA hybridisation/analysis the 'splitting' of DNA molecules so the sequence of bases can be compared 9 of 10 Name two methods of stating common ancestry using genetic evidence DNA hybridization/analysis, study of sequence of amino acids (in fibrinogen molecue) 10 of 10
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