classification system dichotomous key with harry potter
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Classification System
Dichotomous Key
with Harry Potter
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Crayfish
Catfish
Silverfish
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Taxonomy: classifying organisms & giving them a universally accepted name
Lets classify some goblins!
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Classifying both living and nonliving things,
so that we better understand the world around us
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Carolus Linnaeus
Botanist & Father of taxonomygave them all Latin names
Came up with the system in the 1700s that is still used today
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Organisms are classified by their:* physical structure (how they look)* evolutionary relationships (phylogeny)* genetic similarities (DNA)
* biochemical similarities
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Binomial nomenclature: each species is assigned a two-part scientific nameTwo-part: Genus & Species Genius!
!
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Scientific name is always written in italics First letter in the first word is
CAPITALIZED Second is lowercased
Ursus arctos Ursus maritimus
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Hierarchical classification:Broad specific
KingdomPhylum
ClassOrder
Family Genus
Species Binomial name
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HogwartsHouses: Slytherin, Hufflepuff, Ravenclaw, GryffindorYear: 1st, 2nd, 3rd, etc.
Student: Harry, Ron, Hermione
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Dichotomous Keys use Taxonomy to identify the species name by the organisms physical attributes
A step-by-step guide to identify an organismEach step gives a choice of two descriptions. The descriptions have to be opposites
Ex. Leaves round vs. leaves not round
Check out my moon walk
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8 goblins
Why would we want to classify these goblins?
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A. The classification has changed since Linnaeus’s time with new evolutionary findings
B. At 1st living organisms were classified as either plant or animal, today there are more precise classifications producing 6 main Kingdoms based on cell structure, # of cells, how they get their food & movement1. Eubacteria2.Archaebacteria3. Protista4. Fungi5. Plantae6. Animalia
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A. Domain is larger than a Kingdom & separates the kingdoms into major groups1. Eukarya - protists, fungi, plants & animals 2. Bacteria – eubacteria3. Archaea - archaebacteria
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Prokaryotic single celled organisms that are heterotrophs (can not make own food) some can be autotrophs (make own food)
Found everywhere
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Prokaryotic single celled organisms that are heterotrophs while some can be autotrophs
Found only in extreme conditions hot springs, salt brines, ocean vents
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Eukaryotic single celled organism that either be autotrophic or heterotrophic
There are Plant-like, Animal-like & Fungi-like
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Eukaryotic usually multicellular heterotrophs with cell walls that consume decaying matterFew are unicellular bread molds
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Eukaryotic multicellular autotroph (photosynthesis) organisms with cell walls
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Eukaryotic multicellular heterotrophs with no cell walls