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VariablesImportant Factors in Choosing Papaya     (to be narrowed down to 10)                Demographics            place...
Biology 4th Quarter      DIVERSITY, CLASSIFICATION, GENETICS, AND                      EVOLUTION             Understand ge...
Week 31  only 8 to go       The History of Life Water                          Humans      Geologic Time Scalecools on    ...
when life originated 3.9 to 3.5 billion years ago (bya)             First living things                   appear         ...
fossil Evidence of an organism that lived long ago  that is preserved in earth’s rock
paleontologist Scientist that studies ancient life, like a  detective
Fossil formation Organisms die and are buried in mud  leaving an impression
Relative dating Determining the age  of fossils by  comparing fossil in  the layers of rock  around it
radiometric                         isotope    dating Determining the     Atoms of the same  age of fossils by     elemen...
geologic time scale A chronology of  the earth’s history  based on rocks  and fossils
Precambrian era 87% of  earth’s  history, from  prokaryotes       Precambrian Era  to beginning  invertebrates  (hard she...
Paleozoic era    old               life                                         13% Era where the                        ...
Mesozoic era Often called the “age  of reptiles” with much  tectonic, climatic and  evolutionary activity,  ended with ma...
plate tectonics                           2                                                      6 Theory of how         ...
Cenozoic era Our current era,  when mammals  began to flourish
spontaneous   generation               biogenesis The idea that nonliving   The idea that living  material can produce   ...
protocell A large ordered structure, enclosed by a membrane that  carries out some life activities such as growth and div...
archaebacteria          beginning, origin Prokaryotes that are thought to be the first  living organism, followed by  pho...
endosymbiont theory         Internal       relationshipExplains how eukaryotes probably evolved from prokaryotic cells   W...
Homework– Analyze and critique the four ideas about the  origin of life on pg 388Or– Make a poster of the Geologic Time Sc...
And now, the quiz…
 A large ordered structure, enclosed by a membrane that  carries out some life activities such as growth and division,  s...
 Prokaryotes that are thought to be the first  living organism, followed by  photosynthesizing prokaryotes
– Explains how eukaryotes probably evolved from  prokaryotic cells
 A chronology of  the earth’s history  based on rocks  and fossils
 Determining the age  of fossils by  comparing fossil in  the layers of rock  around it
 Determining the  age of fossils by  measuring the  amount of  radioactive  isotopes
 Theory of how  continents move –  spreading apart,  sliding by or  pushing against  each otherVideo Unfold the earthSeis...
 Our current era,  when mammals  began to flourish
 The idea that nonliving   The idea that living  material can produce        organisms come only  life, disproved by     ...
 3.9 to 3.5 billion years ago (bya)
 Evidence of an organism that lived long ago  that is preserved in earth’s rock
 Scientists that study ancient life, like  detectives
 87% of earth’s  history, from  prokaryotes to  beginning  invertebrates  (hard shelled  animals, up to  543 million  yea...
 Era where the  amount of oxygen  increased in the  atmosphere before  abundant complex  life, up to 248  million years a...
 Often called the “age  of reptiles” with much  tectonic, climatic and  evolutionary activity,  ended with mass  extincti...
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B31 ppt the history of life ch 14

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Transcript of " B31 ppt the history of life ch 14"

  1. 1. VariablesImportant Factors in Choosing Papaya (to be narrowed down to 10) Demographics place where growing origin of plant- commercial, nursery, friend, volunteer, etc) height of plant garden or wild intention of plant (to eat, ornamental, use of plant – eating, giving away, selling?, Condition of the plant (diseased (describe) used fertilizer, use pesticide, Growing alone or in cluster does the plant have fruit? For HW Credit - List other variables can think of 20 – 4 pts 15 - 3 pts 10 – 2 pts 5 – 1 pt
  2. 2. Biology 4th Quarter DIVERSITY, CLASSIFICATION, GENETICS, AND EVOLUTION Understand genetics and biological evolution and their impact on organisms – Why don’t some antibiotics work anymore? The Big Idea(s) / Major Understanding(s): • Evolution and natural selection lead to organisms changing over time. • Modern classification system groups organisms according to their degree of relatedness. Week 31 History of Life  Week 32 Theory of Evolution  Week 33 Mechanisms of Evolution  Week 34 Primate Evolution  Week 36 Classification of Living Things  Week 37 The Six Kingdoms  Weeks 38 and 39 Final Projects
  3. 3. Week 31 only 8 to go The History of Life Water Humans Geologic Time Scalecools on appear!!surfaceof Earth4.5 bya First living things appear Ch 14 Pg 368 3.5 bya See video – Carl Sagan Cosmos
  4. 4. when life originated 3.9 to 3.5 billion years ago (bya) First living things appear 3.5 bya
  5. 5. fossil Evidence of an organism that lived long ago that is preserved in earth’s rock
  6. 6. paleontologist Scientist that studies ancient life, like a detective
  7. 7. Fossil formation Organisms die and are buried in mud leaving an impression
  8. 8. Relative dating Determining the age of fossils by comparing fossil in the layers of rock around it
  9. 9. radiometric isotope dating Determining the Atoms of the same age of fossils by element that have measuring the different numbers amount of of neutrons radioactive isotopes
  10. 10. geologic time scale A chronology of the earth’s history based on rocks and fossils
  11. 11. Precambrian era 87% of earth’s history, from prokaryotes Precambrian Era to beginning invertebrates (hard shelled animals, up to 543 million years ago (mya)
  12. 12. Paleozoic era old life 13% Era where the of the time amount of life oxygen has been increased in the on atmosphere earth before abundant complex life, up to 248 million years ago (mya) Without oxygen, you would be pale! 87%
  13. 13. Mesozoic era Often called the “age of reptiles” with much tectonic, climatic and evolutionary activity, ended with mass extinction 65 mya Don’t mess with dinosaurs!
  14. 14. plate tectonics 2 6 Theory of how 1 5 continents move – 8 4 spreading apart, 3 9 sliding by or 7 pushing against each other Like plates on a table pushing and sliding against each other Video Unfold the earth Seismic Earthquakes - earthquakes Plate tectonics - animation
  15. 15. Cenozoic era Our current era, when mammals began to flourish
  16. 16. spontaneous generation biogenesis The idea that nonliving The idea that living material can produce organisms come only life, disproved by from other living Francisco Redi and Louis Pasteur organisms
  17. 17. protocell A large ordered structure, enclosed by a membrane that carries out some life activities such as growth and division, show how the first cells may have occurred link
  18. 18. archaebacteria beginning, origin Prokaryotes that are thought to be the first living organism, followed by photosynthesizing prokaryotes
  19. 19. endosymbiont theory Internal relationshipExplains how eukaryotes probably evolved from prokaryotic cells What does this illustration suggest about the evolution of cells?
  20. 20. Homework– Analyze and critique the four ideas about the origin of life on pg 388Or– Make a poster of the Geologic Time Scale showing the history of life on Earth – show eras, periods, epochs and mya4 pts. – color with drawings and descriptions, very neat3 pts – color with drawings and descriptions, neat2 pts - descriptions, neat
  21. 21. And now, the quiz…
  22. 22.  A large ordered structure, enclosed by a membrane that carries out some life activities such as growth and division, show how the first cells may have occurred link
  23. 23.  Prokaryotes that are thought to be the first living organism, followed by photosynthesizing prokaryotes
  24. 24. – Explains how eukaryotes probably evolved from prokaryotic cells
  25. 25.  A chronology of the earth’s history based on rocks and fossils
  26. 26.  Determining the age of fossils by comparing fossil in the layers of rock around it
  27. 27.  Determining the age of fossils by measuring the amount of radioactive isotopes
  28. 28.  Theory of how continents move – spreading apart, sliding by or pushing against each otherVideo Unfold the earthSeismic Earthquakes -earthquakesPlate tectonics - animation
  29. 29.  Our current era, when mammals began to flourish
  30. 30.  The idea that nonliving The idea that living material can produce organisms come only life, disproved by from other living Francisco Redi and Louis Pasteur organisms
  31. 31.  3.9 to 3.5 billion years ago (bya)
  32. 32.  Evidence of an organism that lived long ago that is preserved in earth’s rock
  33. 33.  Scientists that study ancient life, like detectives
  34. 34.  87% of earth’s history, from prokaryotes to beginning invertebrates (hard shelled animals, up to 543 million years ago (mya)
  35. 35.  Era where the amount of oxygen increased in the atmosphere before abundant complex life, up to 248 million years ago (mya)
  36. 36.  Often called the “age of reptiles” with much tectonic, climatic and evolutionary activity, ended with mass extinction 65 mya
  37. 37. mahalo
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