AP Biology (2015) - Unit 2.C - Feedback & Response PowerPoint

AP Biology (2015) - Unit 2.C - Feedback & Response PowerPoint
AP Biology (2015) - Unit 2.C - Feedback & Response PowerPoint
AP Biology (2015) - Unit 2.C - Feedback & Response PowerPoint
AP Biology (2015) - Unit 2.C - Feedback & Response PowerPoint
AP Biology (2015) - Unit 2.C - Feedback & Response PowerPoint
AP Biology (2015) - Unit 2.C - Feedback & Response PowerPoint
AP Biology (2015) - Unit 2.C - Feedback & Response PowerPoint
AP Biology (2015) - Unit 2.C - Feedback & Response PowerPoint
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19 MB|43 pages
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Product Description
This 43-slide package of teaching PowerPoint presentations covers all of 2.C (Feedback) in the AP Biology (2015) curriculum. Each slide includes the 'Essential Knowledge' being covered as well as key terms that students should make note of (editable).

Unit 2.C includes two sections:

     • 2.C.1 - Feedback Mechanisms
     • 2.C.2 - Response to Chang

The presentations themselves contains minimal information as they are intended to be used with teacher guidance. There are 'Video' slides throughout which link to relevant and informative YouTube content. The slides are formatted to be visually pleasing and to also print well for handouts or revision. Please see the preview file (first 8 slides) for an idea of the aesthetic and level of detail in the presentation. The relevant 'Essential Knowledge' can be found below.

Suggested Use:

I have had success using these presentations to review topics after students have been exposed to the material at home. I typically have the class read relevant material (book, site, etc.) and then watch the videos the day before introducing a topic. During the class period, I use the slides to structure the discussion around the AP Bio Essential Knowledge objectives. The remaining class time is spent reinforcing the knowledge or working on activities geared toward the 'Learning Objectives'.

I have included PDF copies of the slides for handout purposes.

**These presentations are based on the AP Biology Course Guide and does not follow any textbook

As always, please let me know if you have any suggestions for improvements. These are always a work in progress!

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Dokimi AP Biology PPTs:

Big Idea 1 - Evolution (BUNDLE)

     • 1.A - Evolution (all)n
          1.A.1 - Natural Selection
          1.A.2/3 - Phenotypic Variation & Genetic Drift
          1.A.4 - Evidence for Evolution
     • 1.B - Phylogeny
     • 1.C - Speciation
     • 1.D - Origin of Life

Big Idea 2 - Matter

     • 2.A - Energy & Matter (all)
          2.A.1 - Energy Input (free)
          2.A.2 - Energy Capture & Storage
          2.A.3 - Environmental Exchanges/Interaction
     • 2.B - Cell Membrane

Big Idea 3 - Information

     • 3.A - Inheritance (all)
          3.A.1 - DNA & RNA
          3.A.2 - Cell Division
          3.A.3 - Mendelian Patterns
          3.A.4 - Non-Mendelian Patterns (free)

Big Idea 4 - Interactions & Complexity

     • 4.A - Interactions (all)
          4.A.1 - Biomolecules
          4.A.2/3/4 - Differentiation, Organelles & Organ System Interactions
          4.A.5/6 - Community & Ecosystem Interactions
     • 4.B - Competition & Cooperation

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2.C.1 - Feedback Mechanisms

Organisms use feedback mechanisms to maintain their internal environments and respond to external environmental changes.

a. Negative feedback mechanisms maintain dynamic homeostasis for a particular condition (variable) by regulating physiological processes, returning the changing condition back to its target set point.

     - Temperature regulation in animals
     - Plant responses to water limitations
     - Control of sugar levels

b. Positive feedback mechanisms amplify responses and processes in biological organisms. The variable initiating the response is moved farther away from the initial set-point. Amplification occurs when the stimulus is further activated which, in turn, initiates an additional response that produces system change.

     - Lactation in mammals
     - Onset of labor in childbirth
     - Ripening of fruit

c. Alteration in the mechanisms of feedback often results in deleterious consequences.

     - Diabetes
     - Dehydration in response to decreased insulin
     - Graves' disease


2.C.2 - Response

Organisms respond to changes in their external environments.

a. Organisms respond to changes in their environment through behavioral and physiological mechanisms.

     - Photoperiodism and phototropism in plants
     - Hibernation and migration in animals
     - Taxis and kinesis in animals
     - Chemotaxis in bacteria
     - Circadian Rhythm
     - Shivering and sweat in humans
Total Pages
43 pages
Answer Key
N/A
Teaching Duration
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