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Continuing Section 1.3: III. BIOTIC Parameters

Continuing Section 1.3: III. BIOTIC Parameters. 1. A. Cell Types. Prokaryotic. Eukaryotic. Small Primitive cell Single cell organisms No organelles Not true nucleus Grow and reproduce quickly. Larger cell More advanced Single or multi cell Organelles True nucleus

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Continuing Section 1.3: III. BIOTIC Parameters

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  1. Continuing Section 1.3:III. BIOTIC Parameters 1

  2. A. Cell Types Prokaryotic Eukaryotic • Small • Primitive cell • Single cell organisms • No organelles • Not true nucleus • Grow and reproduce quickly • Larger cell • More advanced • Single or multi cell • Organelles • True nucleus • More complex reproduction in series of steps 2

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  4. A car classification example might be: • Motor vehicle • Car • Ford • Mustang • V-6 • Convertible • red 4

  5. B. Classification • Scientists use systems to group and classify • Linnaeus Classification System • extinct and living species of organisms • grouped by physical characteristics 5

  6. Linnaeus Classification System Classification order: Ex: Human Classification • kingdom • Phylum • 3. Class • 4. Order • 5. Family • 6. Genus • 7. Species • Animal • Chordata (vertebrate) • 3. Mammal • 4. Primate • 5. Hominidae • 6. Homo • 7. Sapien 6

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  8. Kingdoms – classified based on FEATURES that they share 8

  9. 1. The Kingdom Monera unicellular prokaryotic Many biologists divide into 2 kingdoms: a. Eubacteria - true bacteria; commonly found in soils, water or living in or on other organisms (present everywhere) Ex: E.Coli, salmonella, strep 9

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  11. b. Archeobacteria • inhabit extreme conditions such as hot springs, volcanoes, ocean depths, no oxygen places • thought to be the most primitive prokaryotes (1st to exist) 11

  12. Purple sulfur bacteria - Archeobacteria 12

  13. 2. Kingdom Protista unicellular/multicellular eukaryotic may have chloroplasts. small, although many can be recognized with a magnifying glass Ex: paramecium, euglena, amoeba 13

  14. Ex: plankton (drifting organisms) • zooplankton – animal like; • amoeba, paramecium • phytoplankton – plant like; 14

  15. Ex: slime molds – like fungi and animals 15

  16. 3. Kingdom Fungi multicellular eukaryotic Nutrients from absorbing foods decompose dead organisms; do NOT perform photosynthesis do not move Ex: mushrooms, puff balls; yeast, molds 16

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  18. 4. Kingdom Plantae multicellular eukaryotic autotrophs/photosynthetic 18

  19. 5. Kingdom Animalia (1.5 million in category) multicellular eukaryotic Nutrients obtained from ingestion heterotrophs have organelles including a nucleus, but no chloroplasts or cell walls they move 19

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