Is your closet organized?
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Learn about the 6 kingdoms of living things and the importance of classification in organizing and understanding the diverse world of organisms. Explore the history of taxonomy and the concept of binomial nomenclature.
Is your closet organized?
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Presentation Transcript
THE 6 KINGDOMS OF LIVING THINGS ARE: • Archaebacteria • Eubacteria • Protista • Fungi • Plants • Animals
Why are things grouped (classified)? • Organization • Organization • Organization • Communication • Communication • Communication
Classification • The systematic grouping of organisms into categories on the basis of evolutionary or structural relationships between them. • Also known as the science of taxonomy.
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Early history • Aristotle-first to organize living things • 2 large groups-plant and animal
Taxonomy • Is the science of naming and classifying organisms-has sub-groups and names • Father of taxonomy is Carl Linnaeus
KPCOFGS • King • Phillip • Came • Over • For • Good • Spaghetti
Humans Chimpanzee • Kingdom Animal Animal • Phylum Chordata Chordata • Class Mammalia Mammalia • Order Primates Primates • Family Hominadae Pongidae • Genus Homo Pan • Species sapiens troglodytes
What is a primate? • hands and feet which are adapted for grasping, • their thumbs and big toes can be moved to touch the other digits and are known as opposable digits, • eyes on the front of the face - binocular vision. This is a great help in judging distance accurately,
What do all hominids have? • bipedalism and large brains • share more than 97% of their DNA with the modern human genome, and exhibit a capacity for language or for simple cultures beyond the family.
Binomial nomenclature • C. Linnaeus developed a system that gives a 2 word name to every organism. • The 2 word naming system is called binomial nomenclature • It helps to avoid confusion • It uses the Genus and species name only
Some common names • Canis familiaris - dog • Felis domesticus - cat • Canis lupus - wolf • Vulpes vulpes - fox • Ichthyomyzon gagi - brook lamprey • Populus deltoides - cottonwood • Cercis canadensis - red bud • Diospyros virginiana - persimmon • Carya illinoensis - pecan
Classification and evolution According to Charles Darwin’s theory of evolution, members that are grouped together have similar characteristics because they descended from a common ancestor Classification shows the evolutionary relationships of organisms
A dichotomous key • is used to identify organisms that you do not already know. • Means "two forks". • A dichotomous key is one tool that can be used to identify trees or any other organism