Classification & the Six Kingdoms Note Book
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Transcript of Classification & the Six Kingdoms Note Book
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Classification & the Six Kingdoms
Note Book
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On the upper half of your cover (above the dotted line) create a family tree diagram of the kingdoms below showing the evolutionary connections
• Archaea are prokaryotes that live in extreme environments
• Bacteria are prokaryotes that live in the same environments as Humans
• Protista are eukaryotic single celled organisms some are fungi-like, some are plant-like and some are animal-like
• Plantae are eukaryotic multicellular organisms that are not mobile and photosynthesize
• Fungi are eukaryotic multicellular organisms that are not mobile and heterotrophic
• Animalia are eukaryotic multicellular organisms that are mobile and heterotrophic
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Levels of classification
• Every organism can be sorted through the levels of classification
• Classification sorts from least specific (more general) to most specific
Domain is the most general (inclusive) levelspecies is the most specific (exclusive) level
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Levels of classificationPage 3
Domain
Kingdom
Phylum
Class
Order
Family
Genus
species
Most General
Least General
Least Specific
Most Specific
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Levels of Classification Page 3
• Make a mnemonic sentence to help you remember the order of the levels of classification (Domain species)
• Ex:
Dumb King Philip Could Only Fry Green spinach
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Grizzly bear Black bearGiant panda Red fox Abert
squirrelCoral snake Sea starKINGDOM Animalia
PHYLUM Chordata
CLASS Mammalia
ORDER Carnivora
FAMILY Ursidae
GENUS Ursus
SPECIES arctos
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Reading a Cladogram Page 4
Cladograms show the acquisition of traits(Shows traits Not dates)
• This means they show the sequence of adaptations
Everything that comes after a trait/adaptation will have that trait/adaptation
Ex: Lancelets and Lampreys evolved before the jaw adaptation, so they DO NOT have jaws
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Binomial nomenclaturePage 5
• Carolus Linnaeus (1707-1778)– Botanist– Wanted a better way to classify
organisms other than by common name.
Why would using common names of organisms be problematic for scientists?
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• Common names cause confusion if the names differ by location
Binomial nomenclaturePage 5
What do you call these flowers?
In Texas we call them
Texas blue bonnets
In other places they are called
Lupins
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• Linnaeus created Binomial Nomenclature to make it easier to discuss the same things
• It is made up of the last two levels of classification… Genus and species
• The Genus is ALWAYS capitalized• The species is NEVER capitalized
• Underline each word seperately
Binomial nomenclaturePage 5
Lupinus texensis
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Examples:
• Human – Homo sapien• Chimpanzee – Pan trogolodyte• Dog – Canis familiaris• California Redwood – Sequoia sempervirens• Lynx – Lynx rufus• Bobcat – Lynx canadensis• “E. coli” bacteria – Escherichia coli
Binomial nomenclaturePage 5
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ProkaryotesDomain Archaea Domain Bacteria
Examples:
6
Examples:
7
Bacterial Shapes and Grouping – Draw the 3 shapes and the groupings from the next two slides
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Prokaryotic Shapes
• Coccus – round or spherical
• Bacillus – rod shaped
• Spirillum – spiral shaped
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Bacterial Grouping
• Strepto- (chains)• Staphylo- (clusters like grapes)• Diplo- (pairs)
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Domain ArchaeaPage 6 (upper half)
• All organisms in this domain are Prokaryotic
• Contains 1 Kingdom – Archaeabacteria
Examples:• Thermophiles, Halophiles and Methanogens
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Domain BacteriaPage 7 (Upper half)
• All organisms in this domain are Prokaryotic
• Contains 1 Kingdom – Eubacteria
Examples:• Most common bacteria
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Domain EukaryaPage 6 & 7 (bottom)
• All organisms in this domain are Eukaryotic– Remember: all cells here must have…
Membrane Bound Organelles
• Contains 4 kingdoms – Protista, Fungi, Plantae and Animalia
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Breaking down the Domains(not in book)
• Scientists used to view the world much differently in the past
• In the 1950s we thought all bacteria were the same and called them Monera
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Breaking down the Kingdoms(not in book)
• Lets look at the way we define kingdoms today (DO NOT copy the definitions yet)
DOMAIN
KINGDOM
CELL TYPE
CELL STRUCTURES
NUMBER OF CELLS
MODE OF NUTRITION
EXAMPLES
Bacteria
Eubacteria
Prokaryote
Cell walls with peptidoglycan
Unicellular
Autotroph or heterotroph
Streptococcus, Escherichia coli
Archaea
Archaebacteria
Prokaryote
Cell walls without peptidoglycan
Unicellular
Autotroph or heterotroph
Methanogens, halophiles
Protista
Eukaryote
Cell walls of cellulose in some; some have chloroplasts
Most unicellular; some colonial; some multicellular
Autotroph or heterotroph
Amoeba, Paramecium, slime molds, giant kelp
Fungi
Eukaryote
Cell walls of chitin
Most multicellular; some unicellular
Heterotroph
Mushrooms, yeasts
Plantae
Eukaryote
Cell walls of cellulose; chloroplasts
Multicellular
Autotroph
Mosses, ferns, flowering plants
Animalia
Eukaryote
No cell walls or chloroplasts
Multicellular
Heterotroph
Sponges, worms, insects, fishes, mammals
Eukarya
Classification of Living Things
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The Six KingdomsPage 9 (You will come back to this page)
Kingdom General Description Archaebactria
Eubacteria
Protista
Fungi
Plantae
Animalia
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Kingdom ArchaebacteriaPage 10
• Prokaryote• Live in extreme environments• Most DO NOT use oxygen• Cell walls DO NOT have the protein Peptidoglycan• Unicellular• Some autotrophic, some heterotrophic
Ex:– Thermophiles – live in extreme temperatures (hot & cold)– Halophiles – live in very salty environments– Methanogens – make methane as waste product (why swamp
gases smell bad)
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Kingdom EubacteriaPage 11
• Prokaryote Unicellular• Essential for the N cycle• Live in same environments as humans• Cell walls DO have the protein Peptidoglycan• Some autotrophic, some heterotrophic• Many are Decomposers
Ex:– E. coli, bacteria that can be helpful or harmful– Steptococcus pneumonia – harmful, causes sickness– Lactobacillus acidophilus – beneficial, found in yogurt
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Kingdom Protista: Water Molds (Fungus-like protists) Page 12
• Unicellular or colonial groups usually• Cell walls DO NOT have chitin like true Fungi• Some have mobile stage of life cycle• Important DecomposersEx:
– Slime-mold, powdery mildew
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Kingdom Protista: Algae(Plant-like protists) Page 12
• Unicellular and colonial• Photosynthetic• DO NOT have roots, stems or leaves• Ex:
– Algae, kelp, sea-weed
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Kingdom Protista: Protozoa(Animal-like protists) Page 13
• Eukaryotic• Mostly heterotrophic (some also photosynthesize)
• Unicellular• Motile (can move)• Ex:
– Amoeba, Paramecia, EuglenaPseudopodia Cilia Flagella
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• Amoeba in motion• Paramecium in motion• Euglena in motion
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Kingdom FungiPage 14
• Eukaryotic• VERY important decomposers
Saprobes – eat decaying matter• Heterotrophic• Cell Walls made of Chitin• Multicellular and unicellularEx:
– Molds, Mushrooms, Athlete’s Foot,Ring worm
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Ringworm
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Athletes foot
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Kingdom PlantaePage 15
• Eukaryotic• Multicellular• Photosynthetic• Non-motile (doesn’t move)• Cell walls made of celluloseEx:
– Mosses, Ferns,Gymnosperms, Angiosperms
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Kingdom AnimaliaPage 16
• Eukaryotic• Multicellular• Heterotrophic• Motile (moves)• Ex:
– Humans, spiders, lions, tigers and bears (oh my!)
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REFLECTION
• Go back to Page 8 & 9 and fill in the pages based on what you just wrote for the 6 kingdoms
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Major Phyla of the Animal KingdomPage 17
Phylum DescriptionPorifera Sea sponges
Cnidaria Jellies and Medusas
Platyhelminthes Flat worms (Tapeworms)
Nemotoda Round worms (Pin worms, heart worms)
Annelida Segmented worms (Earthworm)
Mollusca Clams and relatives, Octopi/Squid and relatives
Arthropoda Shelled (exoskeleton) animals, crabs, spiders, scorpions, insects
Echinodermata Starfish, sea urchins
Chordata Animals with a spinal chord (Fish, Amphibians, Reptiles, Birds and Mammals)
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Phylum: Porifera
• Sea sponges
• Radially symmetrical• 3 cell layers (no true tissues)• Non-motile or sessile (they don’t move)
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Phylum: Cnidaria
• Corals, jellies and hydras
• Radially symmetrical• 2 cell layers (no true tissues)• Non-motile and motile (some move some
don’t)
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Phylum: Platyhelminthes
• Flatworms (tapeworm, planarians, flukes)
• Bilateral symmetry• Nervous system• 3 tissue layers (include mouth and anus)
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Phylum: Nemotoda
• Round worms
• Found almost everywhere• DO NOT have segmented bodies• Bilateral symmetry• Many are parasites
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Phylum: Annelida
• Segmented worms (earthworms, leeches, etc)
• Have individual body segments (rings)• Bilateral symmetry
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Phylum: Mollusca
• Snails, slugs, bivalves, octopus, squid, nautilus and cuttlefish (to name a few)
• Most aquatic• Soft bodied• Secrete shell (some reduced
and internal)
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Phylum: Arthropoda
• Crabs, lobsters, insects, spiders, scorpions, etc
• Have segmented external shell (like a suit of armor)
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Phylum: Echinodermata
• Starfish, sand dollars, sea urchins, etc
• Epidermis covers a exoskeleton layer• Use hydraulic “tube feet” for moving and
eating
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Phylum: Chordata
• Vertebrates (have a backbone)
• Everything else up to now has been Invertebrate (did not have a backbone)
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Classification of Vertebrates(Page 18) bottom
• Agnatha – jawless fish• Chondrichthyes – cartilaginous fish, sharks• Osteichthyes – bony fish• Amphibia• Reptilia• Aves – birds• Mammalia
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Order Monotremata
• Family Ornithorhynchidae, Duck billed Platypus
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Order Monotremata
• Family Tachyglossidae, Spiny Anteater
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Order Didelphimorphia - Opossums
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Order Diprotodontia
• (10 families and 117 species) Kangaroos, Wallaby, Wombat, Koalas
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Order Artiodactyla
• Even-toed ungulates: Antelope, Deer, Camel, Pig, Cow, Sheep, Hippo,
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Order Perissodactyla
• Odd-toed ungulates: Horses, Rhinos, Tapirs
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Order Carnivora
• Cats, Bears, Weasels, Dogs
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Order Cetacea
• Whales, Dolphins
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Order Chiroptera
• Bats
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Order Insectivora
• Insect-eaters: Hedgehogs, Moles, Shrews
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Order Lagomorpha
• Rabbits, Hares
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Order Primates
• Apes, Monkeys, Lemurs, Humans
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Order Proboscidea
• Elephants
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Order Rodentia
• Rodents: Rats, Mice, Squirrels, Gerbils, Hamster
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Order Sirenia
• Sea Cows, Manatees
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Order Tubulidentata
• Aardvarks
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Order Edentata [also called Xenarthra]
• Sloths, Armadillos
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Order Pholidota
• Pangolin
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Comparing the classification of Humans and Chimpanzees
Level Human ChimpKingdom → Animalia AnimaliaPhylum → Chordata ChordataClass → Mamalia MamaliaOrder → Primate PrimateFamily → Hominidae Pongidae Genus → Homo PanSpecies → sapien troglodytes
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History of Human Kind• Oldest Fossil – 4.4 MYA
• Oldest tool use – 2.5 - 3.4 MYA
• Earliest Migrations – 1.8 MYA
• Oldest Culture – 1.6 MYA
• Earliest Language – 50,000 - 100,000 YA
• Earliest Art – 40,000 YA
• Domesticated Animals – 30,000 YA
• Agriculture (farming) – 12,000 - 15,000 YA
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Front Cover
• Go back to your cover and draw the diagram on the next slide, on the bottom half of your cover page.
• This is one of the most current theories as to what the tree of life looks like for the 6 kingdoms showing who evolved from whom.
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Hypothetical Tree/Ring of life
Prokaryotic
Eukaryotic
Eubacteria Archaebacteria
PlantaeProtista
Animalia Fungi
One or More possible FIRST organisms on EARTH
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STOP NOTES HERE
Bonus material follows
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Vocabulary
•Page 464–Sections 18-1–Section 18-2–Section 18-3
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HumanEvolution
• Did Climate Change Drive Human Evolution?
• Listen To the Story on NPR
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• Five fossilized human skulls show how the shape of the early human face evolved: (left to right) Australopithecus africanus, 2.5 million years old; Homo rudolfensis, 1.9 million years old; Homo erectus, 1 million years old; Homo heidelbergensis, 350,000 years old; Homo sapiens, 4,800 years old. Scientists believe that climate change had a major impact on the development of early humans.
•
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• Skeletons currently on display at the National Museum of Natural History: (left to right) Homo erectus, 1 million years old; Australopithecus afarensis, 2.5 million years old; Homo neanderthalensis, 32,000 to 100,000 years old. Researchers are using ancient remains like these to learn more about the effects climate change may have had on evolution.
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Costas• Level I (high light in yellow)
1. What is the primary question that this study aims to answer? (line #’s ?)
2. What do the scientist expect to learn from the lake sediments? (line #’s ?)
• Level II (highlight in blue)3. What do they mean by the statement in quotes in line
42?4. What is inferred by the association of the Musk-ox and
humans? (line 68-69)• Level III (highlight in green)
5. Why do the writers use the term “plasticity” in line 20 when referring to humans?
6. How do you think global climate change in the future might affect human evolution?
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Bonus Question
• What does a LIMNOLOGIST study and why?
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• Musk Ox
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The Hobbit People• Adults only lived to the height of a present day
3 year old.