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Cricket Experiment PowerPoint Presentation

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On : Feb 10, 2014

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  • Slide 1 - Cricket Behavior Experiment
  • Slide 2 - Variables? Control? Any way to improve the design?
  • Slide 3 - You have one of these variables: Agnostic behavior (aggressive) Sexual (mating,male/female) Phototaxis (light/dark) Stimulus kinesis (food, hot/cold, terrain surfaces, etc.) Courtship (male and female interaction) Territorial (protecting their space) Cricket Fighting Video Another fighting video
  • Slide 4 - Research the Variable Go the Sheldon Bioconnection, Chapt. 1, Cricket Links Google that behavior Google cricket behavior Google designing an experiment Video of Cricket Behavior
  • Slide 5 - How do you go from observations to writing a problem statement? Your problem statement must be measureable and start out, “What is the effect of…?” EXAMPLE: What do male crickets do when a female comes near it? BETTER: What is the effect of movement of introducing male crickets in a tank of only female crickets?
  • Slide 6 - What could be this problem statement?
  • Slide 7 - What do you think they are testing?
  • Slide 8 - Problem Statement to Hypothesis If the (dependent variable) is related to the (independent variable),the prediction. EXAMPLE: If the movement of female crickets is related to the introduction of male crickets, then more female crickets will move toward the male when they enter the tank.
  • Slide 9 - Make measureable observations EXAMPLE: What constitutes “courtship?” Touching Moving toward Chirping Mounting Biting Cricket Mating Video
  • Slide 10 - You’ll need numbers for data: Count how many crickets are in an area per minute. Count how many crickets touched another cricket.
  • Slide 11 - You will test one variable at a time: What is this one?
  • Slide 12 - Any Control? (reference area, maybe clear/neutral area)
  • Slide 13 - Is there a control area?
  • Slide 14 - What do you think of this design? Any way to improve it?
  • Slide 15 - How many variables here? What is the independent variable? Dependent?
  • Slide 16 - What do you think of putting ice and warm water in bags UNDER the tank? (Why better than in the tank?)
  • Slide 17 - What’s good about this design? What is it missing?
  • Slide 18 - What are they designing as their variable?
  • Slide 19 - Why is it good to run at least 3 trials?
  • Slide 20 - Why are charts/graphs good to show your data results?

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