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CLASSIFICATION Bacteria and Virus REVIEW Name the 3 domains Bacteria, Archaea, Eukarya Name this diagram used to show evolutionary relationships between organisms Cladogram Does the turtle have an amniotic egg? Yes Image from:http://sps.k12.ar.us/massengale/images/clip0075.jpg Does the amphibian have an amniotic egg? No Image from:http://sps.k12.ar.us/massengale/images/clip0075.jpg Name the 6 Kingdoms Eubacteria, Archaebacteria, Protista, Fungi, Plantae, Animalia Which kingdoms belong in the DOMAIN EUKARYA? Protista, Fungi, Animalia, Plantae Are Viruses Living? NO Name the KINGDOM for each of these: Protista ______________ Animalia ______________ Plantae _______________ Methanogens Archaebacteria _______________ What is the science of naming and classifying organisms called Taxonomy What is the study of the evolutionary relationships and origins among organisms Phylogeny Name the Kingdom for each of these: Fungi ______________ Eubacteria ______________ Animalia _______________ Felis Domestica: Is it written correctly? No both are in caps Classification system in which each species is assigned a two-part scientific name Binomial nomenclature The Linnaean Classification System has Limitations • How did they conclude that A. Phenotype B. Diet C. Niche D. DNA D What is a bacteriophage? A virus that infects bacteria What is a virus made of? Capsid-outer protein coat Nucleic acids-DNA or RNA Asexual reproduction in bacteria is called Binary fission The science of classifying organisms and assigning each organism a unique universally accepted scientific name taxonomy Large taxonomic group made up of closely related phyla; top level in Linnaeus’s classification hierarchy Kingdom Viruses that cause cold sores are what cycle (causes the host cell to burst)? Lytic cycle What is the shape and group? Bacillus and Diplo or”Diplobacillus” What is the shape and group? Cocci and Staphylo or “Staphylococcus” Review 2, 4, 3, 1 and 5 What type of Bacteria Reproduction is taking place below? • Binary Fission or Conjugation? Binary Fission What does the lytic cycle do to the cell? • A. Virus enters a bacteria cell and causes it to burst. • B. Virus enters an animal cell or plant cell and causes it to burst. • C. Virus enters its DNA into a host cell (any cell) and waits for instructions. • D. Virus enters its DNA into a host cell (any cell) and the cell bursts. D Review A B C D E F G • Which two species are most closely related (similar DNA sequences)? D&E And F &G What is the shape? Spirilla Most inclusive taxonomic category based on ribosomal RNA; larger (broader) than a kingdom DOMAIN Do antibiotics kill viruses? No Swedish botanist who came up with a classification system that groups organisms in a 7 level hierarchy and gives each a 2 part scientific name Carolus Linnaeus What prevents viruses? Vaccines What does a Vaccine do? It creates antibodies Lytic and Lysogenic Cycle 1. Which cycle is the host cell Lytic cycle destroyed?____ 2. Which letter indicates that the host cell is F destroyed________ What is an organism that causes disease called? pathogen Polysaccharide molecule used in plant cell walls to make them sturdy cellulose The second part of a two part scientific name Species Hereditary information found in all living things is in what part of the DNA molecule? Nitrogen bases A-T C-G How do Viruses Reproduce? Inside the Host Cell What 2 ways do Bacteria reproduce? Asexually and Sexually If the Virus remains in your system for a long period of time it is what cycle? Lysogenic Cycle What Virus is an example of the lysogenic cycle? HIV Virus What type of cell is this? bacteria Cell Wall A______________ Cell membrane B_____________ Ribosomes C______________ Pili D______________ DNA E______________ Flagella F_______________ Review: What is the cell membrane made up of? Lipid Bilayer The scientific name for red maple is Acer rubrum. To which species does it belong? rubrum Silly phrase that will help you to remember the 7 hierarchy levels in Linnaeus’s classification system. King Phillip Came Over For Grape Soda NAME the 7 taxonomic levels in Linnaeus’s hierarchy in order starting with the largest Kingdom _________________ Phylum _________________ Class _________________ _________________ Order Family _________________ Genus _________________ Species _________________ Name the original Kingdom in the 5-Kingdom system that was split into 2 separate bacterial kingdoms MONERA Name the two kingdoms that resulted from this split Eubacteria & Archaebacteria The scientific name for red maple is Acer rubrum. To which genus does it belong? Acer What is the scientific name or binomial nomenclature for the red maple? Acer rubrum 1st name capitalized, second name lower case, Underlined or in italics Review: Where is the greatest biomass found? Producers: plants What places can you find good bacteria? Yogurt, Cheese, Sourdough Bread Why is bacteria used in making these Products? Reproduce quickly and are cheap to use. • Which one is NOT a Virus: Hepatitis, Influenza and Strep. Streptococcus True or False F Viruses have ribosomes T Bacteria have DNA T Bacteria have ribosomes T Viruses have DNA or RNA T Bacteria have a cell membrane and cell wall • If elements are to be recycled in nature, which organisms must be present? • A. decomposers B. Predators • C. Herbivores D. Parasites A. Decomposers are Mushrooms and Bacteria Review: Bacteria secrete an enzyme which breaks down food. What can slow this down? Cooling it down: Put it in the Refrigerator it slows down the enzyme. Brackish water is composed of marine and fresh waters. What type of wetland would you expect to find brackish water? Estuary Name the two languages used by scientists when coming up with a scientific name Greek & Latin Suppose you discover a new single-celled organism. It has a nucleus, mitochondria, and chloroplasts. Into which Kingdom would you place it? PROTISTAunicellular, eukaryote, with chloroplasts Is this true or false? Do Termites, roaches, and mantids share a common ancestor. TRUE Both snakes and worms are tube-shaped with no legs. How could you determine if their similarity in shape means that they share a recent common ancestor? Examine internal structures to see if similar; Compare DNA to look for similarities What is the name of the virus composed of RNA? Retrovirus using the enzyme Reverse Transcriptase What do antibiotics kill in the bacteria cell? cell wall Give an example of an organism in the fungi kingdom. Mushrooms, yeast, mold Why are some bacteria not being killed by antibiotics? Antibiotic Resistance occurs as a result of natural selection, as individuals who are more resistant survive and reproduce. What are 3 causes for drug resistant bacteria? 1. Overuse 2. Underuse 3. Misuse Review: A B C D • • • • • • • • • • • • photosynthesis only cellular respiration only both photosynthesis and cellular respiration neither photosynthesis or cellular respiration 24._____Occurs in plants C 25. _____Occurs in animals B 26. _____Reactant is sunlight, carbon dioxide and water A B 27. _____Occurs in the mitochondria 28. _____Occurs in heterotrophs B 29. _____Must use O2 B 30. _____Produces ATP by breaking down high energy sugars B 31. _____Splits water to liberate O2 A 32. _____Occurs in most autotrophs C 33. _____Glucose is a final product A 34._____Occurs in the Golgi body D Organisms that eat other organisms. Heterotrophs A cell with a nucleus eukaryote What do endospores on bacteria do? Help it survive harsh conditions like cold or hot conditions. Organism that can make its own food using photosynthesis or chemosynthesis autotroph Cell with out a nucleus prokaryote Name the KINGDOM for each of these: Includes PROKARYOTES with peptidoglycan in their cell walls Includes HETEROTROPHIC EUKARYOTES with CHITIN in their cell walls Includes HETEROTROPHIC EUKARYOTES without chloroplasts or cell walls EUBACTERIA ______________ FUNGI ______________ ANIMAL _______________ Name the KINGDOM for each of these: Includes PROKARYOTES WITHOUT peptidoglycan in their cell walls ARCHAEBACTERIA ______________ Includes AUTOTROPHIC PLANT ______________ EUKARYOTES with chloroplasts & cellulose in their cell walls PROTIST Includes EUKARYOTES _______________ (some with chloroplasts and cellulose In their cell walls) that aren’t plants, animals, or fungi Look at the diagram above comparing DNA sequences. The colored segments show differences in DNA Which two species are more closely related? B and C; these have fewer differences than A and C OR A and B Image from: Biology by Miller and Levine; Prentice Hall Publishing©2006 Structures that develop from the same embryonic tissues, but have different mature forms Comparative embryology Organ with little or no function Vestigial organ The bones in the diagrams below are examples of ________________ Homologous structures http://www.angelfire.com/ab7/evolution12/evolutionclues.html What does today’s bird have in common with the Archaeopteryx? Birds and Reptiles have a common ancestor