Classification (4.2.2) Definitions: 0.0 / 5 ? BiologyClassification and evolutionASOCR Created by: saifkhan00Created on: 16-05-18 22:18 Species A group of organisms that produces fertile offspring 1 of 16 Classification The act of placing organisms into groups based on shared characteristics 2 of 16 Taxonomy The study of characteristics, to determine which ones would be useful in a key 3 of 16 Variation Differences within and between species 4 of 16 Intraspecific variation Variation within the same species 5 of 16 Interspecific variation Variation within different species 6 of 16 Phylogeny Evolutionary relationships between organisms, determining how closely related they are (in terms of common ancestry) 7 of 16 Paleontology The study of fossils and the fossil record 8 of 16 Comparative anatomy Studying similarities and differences in the anatomy of organisms 9 of 16 Comparative biochemistry Studying the similarities and differences in the chemical makeup of organisms 10 of 16 Genotype The alleles that an organism possesses 11 of 16 Phenotype The characteristics of an organism 12 of 16 Gene pool Total number of alleles present in a particular population at a particular time 13 of 16 Allele An alternative form of a gene 14 of 16 Pre-adaptation When an organism's existing trait is advantageous to a new situation 15 of 16 Selection pressures Factors that affect the organism's chances of survival 16 of 16
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