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Classsifying Organisms (Why Do Scientists Classify (Classification…
Classsifying Organisms
Why Do Scientists Classify
Classification
biologists use classification to organize living things into groups so that or the organisms are easier to study.
Biologists group organisms based on similarities.
The Naming System Linnaeus
Genus and Species
Its a classification grouping that contains similar closely related organisms.
Species
Is a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.
Levels of Classification
The major Levels of Classification
The more classification levels that have two organisms share, the more charcteristcs they have in common.
Phyla
Within Phyla are classes within orders are families and each family contains one or more genera.
Taxonmic Keys
taxonomic keys are usefull tools for determining the identity of organisms
Evolution and Classification
Darwins Theory
Darwin researched about the Galapagos Islands.
Darwin observed that Finches some finches were similar and some were different to south americas.
Darwin said that he thinks the species changed little by little.
Classification Today.
Scientists are now aware that certain organisms are similar because they share a common ancestor.
Species with similar evolutionary histories are classified more closely together.