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Do Now Tuesday, Oct 16 th Take vocab w/s #6 and complete Do Now Tuesday, Oct 16 th Take vocab w/s #6 and complete
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1. True 2. False Countdown 10
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1. Organism 2. Fungi 3. Weed 4. Firewood Countdown 15
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1. a problem 2. a property 3. well-known 4. a given Countdown 15
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Chp. 2 – 2 How Organisms Are Classified
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I.Living Organisms A. organisms are more like each other than like nonliving things 1. they carry out life activities B. many differences 1. cats not like dogs 2. a bird is different from a tree C. Study of living things is known as biology D. Study of classifying organisms is known as taxonomy E. divide the living things into 6 groups called kingdoms 1. plants, animals – most well-known 2. monerans (archeabacteria), protists fungi 3. sixth kingdom recognized as viruses (eubacteria)
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1. Taxonomy 2. Zoology 3. Botany 4. Biology Countdown 15
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1. Botany 2. Taxonomy 3. Zoology 4. Biology Countdown 15
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1. Heterotrophs 2. Autotrophs Countdown 15
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1. One 2. Two 3. Three 4. Four Countdown 15
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1. True 2. False Countdown 15
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II. Plant Kingdom A. Easily recognized 1. Plants, trees, flowers, shrubs, ferns, grass, moss B. Do not move freely 1. They bend toward sunlight C. Autotrophs 1. They make their own food using sunlight & substance around them D. Have many cells grouped into tissue E. Cell walls made of cellulose F. Reproduce both sexually and asexually G. Plants have organs
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III. Animal Kingdom A. Come in different sizes 1. Mosquitoes to sponges to elephants B. Heterotrophs 1. Can not make own food 2. They eat plants or other animals that eat plants C. Move freely 1. Helps them to find shelter, escape danger & find mates D. Made of many cells that are organized into tissue that form organs that all intertwine and function together (except in sponges) E. Most reproduce sexually F. Perform basic life activities 1. feeding, reproduction, excretion, movement, sensing, responding
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1. Plant 2. Animal 3. Both 4. Neither Countdown 15
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IV. Protist Kingdom A. 3 rd kingdom to be discovered only after the microscope was invented 1. Using the microscope they discovered microorganisms B. All can carry out basic life activities C. Reproduce sexually & asexually D. Microorganisms didn’t fit in either plant nor animals kingdom 1. Called organisms protists E. Most singled celled 1. Few are multi-cellular F. Most autotrophs 1. Some absorb food
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G. Some are plant-like 1. molds a. fungus-like 2. Algae a. live in lakes, streams, oceans b. can be as large as a football field c. produce oxygen H. Some are animals-like 1. Protozoans a. Live in soil, water, animals b. Most are harmless i. Few like Giardia cause disease 1. infect small intestine; causes tiredness, stomach pain and weight loss
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c. behave like animals by getting food and moving i. Move differently 1. Paramecium uses cilia 2. Amoeba pushes out their cell part to move – pseudopod (false foot) 3. Euglena uses flagellum d. some behave like plants and animals i. Euglena move like animals but eat like plants 1. they make their own food when sunlight is available – or absorb food like an animal when sun is not
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V.Fungi Kingdom A. Examples 1. mushrooms, mold, parasites B. Heterotrophs C. Multi-cellular 1. many cells D. Do not move around E. Cannot make own food 1. absorb from other organisms F. Digests food outside the bodies
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H. Reproduce both sexually & asexually I. Parasites 1. can be harmful 2. absorb food from living organisms a. ring worm – human skin disease b. Thrush c. Athlete’s foot G. Important to other organisms 1. decomposers a. release special chemicals on dead plants & animals to break down or decompose matter 2. fungi then absorb it or gets absorbed into the soil for plants to use
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VI.Moneran Kingdom A. means alone B. in own kingdom due to different chemical makeup C. contains only bacteria 1. two types a. Eubacteria b. Archeabaceria D. some can move freely like animals and get food E. some are like plants and make their own food F. bacteria cells are like no other cells 1. they do not have organelles
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G. environments vary 1. hot springs 2. cold, dark ocean floors 3. Person’s intestines H.most are harmless I. some cause disease 1. strep throat J. some helpful 1. some help decompose the remains of plants & animals 2. used in yogurt 3. produces vitamins & essential needed chemicals
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K.Archeabacteria 1. unicellular prokayotes a. single-celled 2. have no nucleus 3. live in extreme environments 4. cell membranes contain unusual lipids 5. cell walls lack peptidoglycan a. sugar & amino acid mixture 6. can be both autotrophs & heterotrophs 7. reproduce asexually
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L.Eubacteria 1. unicellular & multicellular 2. appeared 3.5 billion years ago 3. cell walls have peptidoglycan 4. spherical, rod-shaped or spiral 5. many have protective capsule 6. can reproduce asexually every 20 minutes – 3 hours 7. one singular circular chromosome
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Classifying Animals There are over 1 million animals in the world More species are added daily To make things easier, biologists divide them into smaller groups to organize
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Taxonomy – the studying of classifying organisms Best way to classify is by one’s features the more features one share the more related they are Use similar features to see how they are related cell structure heredity way organisms reproduce way organisms get their nutrients
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Appearance birds falcons, sparrows, geese may subdivide falcons – birds of prey feet w/ sharp claws sparrows – perching birds feet w/ gripping claws geese – water birds web feet
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Seven levels of Classification 1.Kingdom 2. Phylum 3. Class 4. Order 5. Family 6. Genus 7. Species
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Scientific Names most people call animals by their common name Example #1 – mountain lion, mocking bird confusing as mountain lion could be a: puma, American Panther, catamount, cougar *** all 5 species are the same, but one may not know the other names
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Example #2 “June Bug” - opposite occurs - dozen differ beetle species have same name - when June bug is said - people not sure which species is being referred to - in differ languages name is different as well
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Scientists clarified confusion by giving species a scientific name Scientific name has 2 words first name – genus second name – species Examples: mountain lion = Felis concolor African Elephant = Loxodanta africana
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2 names make it unique different species have differ scientific names even if common name same would be same in all languages scientific name in italics or underlined scientific name – 1 st WORD IS CAPITALIZED 2 nd is not Felis concolor
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1. By the way they get food 2. By the way they reproduce 3. Cell structure 4. By where they live
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QUESTIONS ????? Assignment: In textbook – complete page 35 review questions … WRITE IN COMPLETE SENTENCES
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