B2 Flashcards B2 revision cards for classification 0.0 / 5 ? BiologyVariety of life and classificationGCSEOCR Created by: Eleanor.1Created on: 03-05-14 10:40 What are the different classifing groups? Kingdom, phylum, class, order, fmaily, genus, species 1 of 21 What happens when you move down towards 'species'? There are fewer organisms that share more similarities 2 of 21 What two ways can organisms be classified? An artificial system and a natural system. 3 of 21 What is an artificial system? One or two characteristics that make identification easier 4 of 21 What is a natural system? Based on evolutionary relationsihps and is more detailed 5 of 21 What has DNA enabled scientists to know more about? How close organisms are and how often they can be reclassified 6 of 21 What is a species? Organisms that can interbreed and produce fertile offspring 7 of 21 How are organisms named? By the binomial system 8 of 21 How does the binomial system work? (1 reason) 2 parts to the name, first is the genus, second is the species 9 of 21 How does the binomial system work? (Another reason) Genus starts with a capital letter, species does not 10 of 21 What make it difficult to classify organisms? They are at different stages of evolution 11 of 21 What make it difficult to classify organisms? (2) There are new ones being discovered all the time. 12 of 21 Characteristics of an Archaropteryx Feathers (bird) and teeth and a log bony tail (reptile) 13 of 21 Which organisms present specific problems? Bacteria and hybrids. 14 of 21 What problems to bacteria cause? Do not interbreed, can't be classified into different species 15 of 21 What is the problem with hybrids? They are infertile, can't be classified as a species 16 of 21 When classifying organisms, what is it important to bear in mind? The similarities and differences between the organisms 17 of 21 What similarities do dolphin and fish have? They live in the same habitat (ecologically related) 18 of 21 What differences do dolphin and fish have? They are classified differently, dolphins are mammals 19 of 21 What similarities do dolphin and bats have? They are both mammals. 20 of 21 What differences do dophins and bats have? They live in different habitats. 21 of 21
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