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Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
Classification
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Classification

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Intro to classification OCS Bio

Intro to classification OCS Bio

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  • 1. CLASSIFICATION
  • 2. CLASSIFYING ORGANISMS
    How hard would it be to find what you needed in this room? Especially if you had to find it in a hurry. It is not very organized.
  • 3. Classifying Organisms
    This room is very organized. Would you be able to easily find what you needed in this room? Probably, right?
  • 4. Classifying Organisms
    Scientists organize things as well. They have used a system of organization they call CLASSIFICATION.
    Classification is the grouping of organisms based upon their similar properties.
  • 5. Classifying Organisms
    How would you organize these things?
  • 6. Classifying Organisms
    I would have grouped all the spiders in one group and all of the butterflies in a different group. Is that what you did? There are many ways you could group them.
    It is easy to group spiders together; you can group them by the number of legs they have. Spiders have 8 legs.
    You might have grouped butterflies together because of their wings.
  • 7. Classifying Organisms
    Organizing the butterflies and spiders is a way of classifying them!
    When scientists classify organisms, they classify them by how closely they are related.
  • 8. Classifying Organisms
    The system scientists use to classify organisms has seven levels.
  • 9. Here are a few ways to help you remember the classification system…
    King Philip Came Over For Great Spaghetti
    Keeping Precious Creatures Organized For Grumpy Scientists
    King Phillip Came Over From Greece Saturday
  • 10. LET’S SEE HOW HUMANS ARE CLASSIFIED IN THIS SYSTEM
  • 11. CLASSIFICATION
    Aristotle was the first scientist who attempted to classify organisms. He developed a system that classified organisms as either plants or animals.
  • 12. Classification
    He then divided them into smaller classifications. For example, he divided animals according to where they lived the most…air, land or water.
  • 13. Classification
    We don’t classify them that way today. Think about some of the animals that live in the air. They include things like eagles, mosquitoes, and bats. We know today that these animals are not closely related. Mosquitoes are insects, eagles are birds, and bats are mammals. They are very different .
  • 14. Modern Classification
    So, a new system was developed by a guy named Carolus Linnaeus; call him Carl for short. He was a Swedish botanist. He classified organisms by physicalandstructuralsimilarities, and we still use his system today.
  • 15. Modern Classification
    OLD
    NEW
    The modern system has changed over time. We used to have 5 Kingdoms, Moneran, Protista, Plantae, Fungi, Anamalia, but with the discovery of certain microscopic organisms we now have 6.
  • 16. NEW CLASSIFICATION
    It is not important to memorize the six kingdoms right now. But you can see them below.
    Archaebacteria, Protista, Fungi, Plantae, Eubacteria and Animalia. There is a saying some people use to remember them.
    AllPeopleFindPizzaExtremelyAppetizing
  • 17. Remember the Human Classification?
    Humans are a part of the animal kingdom, but as you move through the system of classification each step gets more specific. The phylum humans are in include only animals with backbones. The class humans are in is mammalia, or mammals. The organisms in this class have backbones and they have hair on their bodies and feed their young with mother’s milk.
  • 18. Classification
    The last two levels in the classification system areGenusandSpecies. Scientists use these two to name all organisms. It is like having a first name and last name.
    It is called BINOMIAL CLASSIFICATION
  • 19. Genus and Species names
    These organisms are similar but they are not the same. Their Genus name is the same because they are very similar, it is Canis.However their species name is different. The dog is Canisfamiliaris. The wolf’s name is Canislupis. No other animal can have the same genus and species name.
  • 20. KEYS: A Tool of Classification
    Scientists can use genetics, evolution, or physical characteristics to classify organisms.
    Each one has a different tool. There are cladograms, phylogenetic trees, and dichotomous keys to name just a few.
  • 21. KEYS AND CLASSIFICATIONS
    We are most interested in using physical characteristics to identify organisms. A typical tool would be the dichotomous key.
    A DICHOTOMOUS KEY is a tool for identifying a species by going through a series of choices that leads to the right name.
  • 22. BRIEF SUMMARY SLIDE
    All organisms are classified by their structural similarities.
    Carolus Linnaeus created the system we use to classify organisms today.
    Organisms are classified into 7 levels: Kingdom, Phylum, Class, Order, Family, Genus, and Species.
    The Kingdoms are the most general and the genus and species are unique to each organism.

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