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Classifying Organisms (Evolution and Classification (Darwins Theroy…
Classifying Organisms
Evolution and Classification
Darwins Theroy
Evolution
Classification Today
Species with similar evolutionary histories are classified more closely together
Determining Evolutionary History
Comparing structure of organisms and chemical makeup
Why Do Scientists Classify
Classification is the process of grouping things based on similarities
Biologists use classification to organize living things into groups so that organisms are easier to study
The Naming System of Linnaeus
Genus and Species
A genus is a classification grouping that contains similar, closely related organisms
A species is a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce
Using Binomial Nomenclature
Binomial nomenclature makes it easy for scientists to communicate about organisms because everyone uses the same scientific name
Levels of Classification
The Major Levels of CLassification
The more classification levels that two organisms share, the more characteristics they have in common
Taxonomic Keys
Taxonomic Keys are useful tolls for determining the identity of organisms