Biology I: Form and Function Mr. Nettles
Today’s Agenda: Thurs. Dec. 1, 2011 <ul><li>Warm-Up:  Finish up Summarizations (Due Today) </li></ul><ul><li>Lesson:  Form...
Today’s Objectives: <ul><li>I will define:  evolution, form, function, comparative anatomy, homologous structure, analogou...
What is Evolution? <ul><li>Evolution   is the process by which species change over time. </li></ul>
Form vs. Function <ul><li>Form   is the visual appearance and configuration of an organism. </li></ul><ul><li>Function   i...
Comparative Anatomy <ul><li>Comparative Anatomy   is a method by which scientist study the physical features and body part...
Homologous Structures <ul><li>Homologous Structures  are structures that have similar form but different functions.  </li>...
Homologous Structures
Analogous Structures <ul><li>Analogous Structures  are structures that have similar function but different forms.  </li></...
Analogous Structures
Vestigial Structures <ul><li>Vestigial Structures  are structures that don’t play a role in the way an organism functions....
Vestigial Structures
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Form and function

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Form and function

  1. 1. Biology I: Form and Function Mr. Nettles
  2. 2. Today’s Agenda: Thurs. Dec. 1, 2011 <ul><li>Warm-Up: Finish up Summarizations (Due Today) </li></ul><ul><li>Lesson: Form and Function Lecture </li></ul>
  3. 3. Today’s Objectives: <ul><li>I will define: evolution, form, function, comparative anatomy, homologous structure, analogous structure, and vestigial structure. </li></ul><ul><li>I will recognize the relationship between form and function in living things. </li></ul>
  4. 4. What is Evolution? <ul><li>Evolution is the process by which species change over time. </li></ul>
  5. 5. Form vs. Function <ul><li>Form is the visual appearance and configuration of an organism. </li></ul><ul><li>Function is any type of life process carried out by an organism. </li></ul>
  6. 6. Comparative Anatomy <ul><li>Comparative Anatomy is a method by which scientist study the physical features and body parts of different animals to discover how they are related or similar. </li></ul>
  7. 7. Homologous Structures <ul><li>Homologous Structures are structures that have similar form but different functions. </li></ul><ul><ul><ul><ul><li>These structures look alike in some ways, but they do different things. </li></ul></ul></ul></ul>
  8. 8. Homologous Structures
  9. 9. Analogous Structures <ul><li>Analogous Structures are structures that have similar function but different forms. </li></ul><ul><ul><ul><ul><li>These structures do the same thing, but they look different. </li></ul></ul></ul></ul>
  10. 10. Analogous Structures
  11. 11. Vestigial Structures <ul><li>Vestigial Structures are structures that don’t play a role in the way an organism functions. </li></ul><ul><ul><ul><ul><li>They are body parts that don’t really do much work in the body. </li></ul></ul></ul></ul>
  12. 12. Vestigial Structures
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