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UNIT 1: Classification . Classification. How/Why do we classify? Makes objects easier to study, identify, discuss Based on grouping similar characteristics TAXONOMY= The study of classification. Carolus Linneaus (1735) . Linnaean Taxonomy. K ingdom (most general) K ing
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Classification How/Why do we classify? Makes objects easier to study, identify, discuss Based on grouping similar characteristics TAXONOMY= The study of classification
Linnaean Taxonomy Kingdom (most general) King Phylum Philip Class Came Order Over Family For Genus Grasshopper Species (most specific) Soup
Binomial nomenclature 2 names = Genus + species Genus, species ex. Homo sapiens Felisdomesticus Canis familiaris If you know the genus and species, you know ALL the other categories!
SPECIES + = A group of organisms that can produce offspring AND their offspring can also reproduce
DICHOTOMOUS KEY 1 used to identify organisms based on physical characteristics pairs of opposing questions AKA: “taxonomic key”
1a) Does it have feathers? Go to 2 1b) Does it NOT have feathers? Go to 3 2a) Does it have webbed feet? Duck 2b) Does it NOT have webbed feet? Hen 3a) Does it have legs? Lizard 3b) Does it not have legs? Snake