Bellwork 10/13 <ul><li>Get out a piece of paper and put your name on it Big and Clearly. </li></ul><ul><li>Draw your name ...
<ul><li>TEXTBOOK: From Bacteria to Plants </li></ul><ul><li>Chapter One: Living Things </li></ul><ul><li>Section 1 “What i...
<ul><li>PASS Strand:  Diversity and Adaptations of Organisms </li></ul><ul><li>Objectives: </li></ul><ul><li>By classifyin...
What is Life? <ul><li>A.      The Characteristics of Living Things </li></ul><ul><li>Organisms—  a living thing . </li></u...
Cellular Organization <ul><li>a.          All organisms are made of tiny building blocks called  cells. </li></ul><ul><li>...
Contain Similar Chemicals <ul><li>a.   Water—most  abundant chemical in  cells. </li></ul><ul><li>b.   Carbohydrates— ener...
Use Energy <ul><li>a. Cells use energy to  grow  and repair injured parts. </li></ul><ul><li>b.   Cells for digestion need...
Grow and Develop <ul><li>a.       Growth —becoming larger </li></ul><ul><li>b.         Development —change that produces a...
Respond to their surroundings <ul><li>React to changes in their  environment </li></ul><ul><li>b.    Stimulus  (plural sti...
<ul><li>Ex. When someone scares you (change of environment)  </li></ul><ul><li>you may  </li></ul><ul><li>scream, faint, r...
Reproduce <ul><li>Reproduce—the ability to produce offspring similar to the  parents. </li></ul><ul><li>   Robins produce ...
Life Comes From  Life <ul><li>New organisms arise from reproduction. </li></ul><ul><li>Spontaneous  generation—The mistake...
Ex. Experiments of Redi and Pasteur pg. 20,
Francesco Redi Disproving Spontaneous  Generation
<ul><li>People used to believe that frogs sprouted from mud in ponds. </li></ul>What is Spontaneous Generation?
<ul><li>People used to believe that flies came from rotted meat. </li></ul>What is Spontaneous Generation?
<ul><li>This was a strongly held belief. </li></ul>What is Spontaneous Generation?
<ul><li>It took hundreds of years of experiments to convince people that it does not occur. </li></ul>What is Spontaneous ...
<ul><li>Redi was one scientist who worked to disprove this idea (in the mid-1600’s). </li></ul>What is Spontaneous Generat...
What did Francesco Redi do? <ul><li>Francesco Redi did a  controlled  experiment to prove that spontaneous generation does...
What did Francesco Redi do? <ul><li>His experiment focused on whether or not flies come from rotting meat. </li></ul>
Redi’s Controlled Experiment <ul><li>Set-up A </li></ul><ul><li>Meat in jar </li></ul><ul><li>Jar open </li></ul><ul><li>M...
How was this a  “Controlled Experiment”? <ul><li>It was  controlled  because… </li></ul><ul><li>He had only one manipulate...
How is this a  “Controlled Experiment”? <ul><li>It was  controlled  because… </li></ul><ul><li>When he got his results, he...
Redi’s Conclusion <ul><li>Redi concluded that  flies  had laid eggs on the rotting meat that  wasn’t covered , and the egg...
Redi’s Conclusion <ul><li>So, the  meat  didn’t produce the maggots (young flies), the  adult flies  produced the young fl...
What we can learn… <ul><li>All living things come  only  from other living things. </li></ul><ul><li>Spontaneous generatio...
The Needs of Living Things <ul><li>          All living things must satisfy their  basic   needs  for energy, water, livi...
Energy   <ul><li>Heterotroph— </li></ul><ul><li>Animals need  food   </li></ul><ul><li>as their energy source, cannot make...
Energy <ul><li>Autotroph —organism which can make its own  food . </li></ul>
Water   <ul><li>All living things need water to survive. It can  dissolve  more chemicals than any other substance on eart...
Living Space   <ul><li>All organisms need a space to  live.  A place to get food and water, and to find  shelter. </li></u...
Stable Internal Conditions <ul><li>Organisms must be able to keep the conditions  inside  their bodies constant. </li></ul...
Review <ul><li>What do all living things have in common? </li></ul>
Review <ul><li>What do all living things have in common? </li></ul><ul><li>a.          cellular organization </li></ul><ul...
Review <ul><li>What did Francisco Redi Prove? </li></ul>
Review <ul><li>What did Francisco Redi Prove? </li></ul><ul><li>That living things do not come from non living things. (Fl...
Review <ul><li>What do all living things need? </li></ul>
Review <ul><li>What do all living things need? </li></ul><ul><li>Water </li></ul><ul><li>Living Space </li></ul><ul><li>En...
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Whatis Life.ClassificationNotes#1

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Whatis Life.ClassificationNotes#1

  1. 1. Bellwork 10/13 <ul><li>Get out a piece of paper and put your name on it Big and Clearly. </li></ul><ul><li>Draw your name into a picture of anything </li></ul><ul><li>Make sure your heading is on there. </li></ul><ul><ul><li>Name </li></ul></ul><ul><ul><li>Hour </li></ul></ul><ul><ul><li>Date </li></ul></ul><ul><ul><li>Subject </li></ul></ul>
  2. 2. <ul><li>TEXTBOOK: From Bacteria to Plants </li></ul><ul><li>Chapter One: Living Things </li></ul><ul><li>Section 1 “What is Life.” Pg. 16-23 </li></ul>MOO
  3. 3. <ul><li>PASS Strand: Diversity and Adaptations of Organisms </li></ul><ul><li>Objectives: </li></ul><ul><li>By classifying organisms, biologists consider details of internal and external structure. </li></ul>OINK
  4. 4. What is Life? <ul><li>A.      The Characteristics of Living Things </li></ul><ul><li>Organisms— a living thing . </li></ul><ul><li>All living things have </li></ul><ul><li>a.         cellular organization </li></ul><ul><li>b.        Contain similar chemicals </li></ul><ul><li>c.         Use energy </li></ul><ul><li>d.        Grow and Develop </li></ul><ul><li>e.         Respond to their surroundings </li></ul><ul><li>f.          Reproduce </li></ul>
  5. 5. Cellular Organization <ul><li>a.         All organisms are made of tiny building blocks called cells. </li></ul><ul><li>b.        Fit a million cells on the period at the end of this sentence. </li></ul><ul><li>c.        Unicellular or Multicellular </li></ul><ul><li>Many </li></ul><ul><li>functions </li></ul>
  6. 6. Contain Similar Chemicals <ul><li>a.   Water—most abundant chemical in cells. </li></ul><ul><li>b.   Carbohydrates— energy source </li></ul><ul><li>c.Proteins and lipids—building materials of the cell. (like wood and bricks for houses) </li></ul><ul><li>d.   Nucleic acids— genetic material. Directs the cells activities. </li></ul>
  7. 7. Use Energy <ul><li>a. Cells use energy to grow and repair injured parts. </li></ul><ul><li>b.   Cells for digestion need energy to digest food particles </li></ul><ul><li>c.   Blood cells need energy to move chemicals to your body . </li></ul>
  8. 8. Grow and Develop <ul><li>a.      Growth —becoming larger </li></ul><ul><li>b.        Development —change that produces a more complex organism. </li></ul><ul><li>Ex. Acorn turns into an oak tree </li></ul>
  9. 9. Respond to their surroundings <ul><li>React to changes in their environment </li></ul><ul><li>b.   Stimulus (plural stimuli)—a change in an organism’s surroundings that causes the organism to react. </li></ul><ul><li>i.       Ex. Changes in temperature, light, sound </li></ul><ul><li>c.        Response —an action or change in behavior. An organism reacts to a stimulus with a response. </li></ul>
  10. 10. <ul><li>Ex. When someone scares you (change of environment) </li></ul><ul><li>you may </li></ul><ul><li>scream, faint, run </li></ul><ul><li>( your response) </li></ul>
  11. 11. Reproduce <ul><li>Reproduce—the ability to produce offspring similar to the parents. </li></ul><ul><li>  Robins produce eggs </li></ul><ul><li>  Sunflowers produce seeds that develop into sunflowers </li></ul><ul><li>  Bacteria produce bacteria just like themselves. </li></ul>
  12. 12. Life Comes From Life <ul><li>New organisms arise from reproduction. </li></ul><ul><li>Spontaneous generation—The mistaken idea that living things arise from nonliving sources. </li></ul>
  13. 13. Ex. Experiments of Redi and Pasteur pg. 20,
  14. 14. Francesco Redi Disproving Spontaneous Generation
  15. 15. <ul><li>People used to believe that frogs sprouted from mud in ponds. </li></ul>What is Spontaneous Generation?
  16. 16. <ul><li>People used to believe that flies came from rotted meat. </li></ul>What is Spontaneous Generation?
  17. 17. <ul><li>This was a strongly held belief. </li></ul>What is Spontaneous Generation?
  18. 18. <ul><li>It took hundreds of years of experiments to convince people that it does not occur. </li></ul>What is Spontaneous Generation?
  19. 19. <ul><li>Redi was one scientist who worked to disprove this idea (in the mid-1600’s). </li></ul>What is Spontaneous Generation?
  20. 20. What did Francesco Redi do? <ul><li>Francesco Redi did a controlled experiment to prove that spontaneous generation does not happen. </li></ul>
  21. 21. What did Francesco Redi do? <ul><li>His experiment focused on whether or not flies come from rotting meat. </li></ul>
  22. 22. Redi’s Controlled Experiment <ul><li>Set-up A </li></ul><ul><li>Meat in jar </li></ul><ul><li>Jar open </li></ul><ul><li>Maggots on meat </li></ul><ul><li>Set-up B </li></ul><ul><li>Meat in jar </li></ul><ul><li>Jar closed with cloth </li></ul><ul><li>No Maggots in jar </li></ul>
  23. 23. How was this a “Controlled Experiment”? <ul><li>It was controlled because… </li></ul><ul><li>He had only one manipulated variable – whether or not the meat was covered. </li></ul>
  24. 24. How is this a “Controlled Experiment”? <ul><li>It was controlled because… </li></ul><ul><li>When he got his results, he knew what caused them, because there was only one difference between the set-ups. </li></ul>
  25. 25. Redi’s Conclusion <ul><li>Redi concluded that flies had laid eggs on the rotting meat that wasn’t covered , and the eggs hatched into maggots. … </li></ul>
  26. 26. Redi’s Conclusion <ul><li>So, the meat didn’t produce the maggots (young flies), the adult flies produced the young flies by laying eggs on the uncovered meat . </li></ul>
  27. 27. What we can learn… <ul><li>All living things come only from other living things. </li></ul><ul><li>Spontaneous generation doesn’t happen . </li></ul>
  28. 28. The Needs of Living Things <ul><li>         All living things must satisfy their basic needs for energy, water, living space, </li></ul><ul><li>and stable </li></ul><ul><li>internal conditions. </li></ul>
  29. 29. Energy <ul><li>Heterotroph— </li></ul><ul><li>Animals need food </li></ul><ul><li>as their energy source, cannot make their own food. </li></ul><ul><li>     Sun is energy source indirectly b/c they either eat autotrophs and obtain their energy or consume other heterotrophs that eat autotrophs. </li></ul>
  30. 30. Energy <ul><li>Autotroph —organism which can make its own food . </li></ul>
  31. 31. Water <ul><li>All living things need water to survive. It can dissolve more chemicals than any other substance on earth. Helps by: </li></ul><ul><li>Obtain chemicals from surroundings </li></ul><ul><li>Break down food </li></ul><ul><li>Grow </li></ul><ul><li>Move substances within their bodies </li></ul><ul><li>Reproduce </li></ul>
  32. 32. Living Space <ul><li>All organisms need a space to live. A place to get food and water, and to find shelter. </li></ul><ul><li>Competition. </li></ul><ul><li>Plants only have so much space. Compete for sunlight/ space. Roots compete for water and nutrients. </li></ul><ul><li>Animals can move but share living spaces with others or compete for area. </li></ul>
  33. 33. Stable Internal Conditions <ul><li>Organisms must be able to keep the conditions inside their bodies constant. </li></ul><ul><li>Homeostasis —keeping the internal conditions stable despite the changes in an organism’s surroundings . </li></ul>
  34. 34. Review <ul><li>What do all living things have in common? </li></ul>
  35. 35. Review <ul><li>What do all living things have in common? </li></ul><ul><li>a.         cellular organization </li></ul><ul><li>b.        Contain similar chemicals </li></ul><ul><li>c.         Use energy </li></ul><ul><li>d.        Grow and Develop </li></ul><ul><li>e.         Respond to their surroundings </li></ul><ul><li>f.          Reproduce </li></ul>
  36. 36. Review <ul><li>What did Francisco Redi Prove? </li></ul>
  37. 37. Review <ul><li>What did Francisco Redi Prove? </li></ul><ul><li>That living things do not come from non living things. (Flies do not come from meat) </li></ul>
  38. 38. Review <ul><li>What do all living things need? </li></ul>
  39. 39. Review <ul><li>What do all living things need? </li></ul><ul><li>Water </li></ul><ul><li>Living Space </li></ul><ul><li>Energy </li></ul><ul><li>Stable Internal Conditions </li></ul>

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