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Dichotomous Key

Dichotomous Key. Using Observable Characteristics to Identify Objects. What is a dichotomous key?.

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Dichotomous Key

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  1. Dichotomous Key Using Observable Characteristics to Identify Objects

  2. What is a dichotomous key? A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item. "Dichotomous" means "divided into two parts". Therefore, dichotomous keys always give two choices in each step.

  3. Use a dichotomous key to identify these individuals. Pick an individual to identify, When you are ready click start. Start

  4. Is the individual male or female? Male Female

  5. Is the individual wearing a hat? Hat No Hat

  6. Is the individual in the military? Military Not Military

  7. Is he wearing a dress uniform or a camouflage uniform? Dress Uniform Camouflage Uniform

  8. Introducing Arnold He is a man wearing a hat and a military dress uniform. Return to Start

  9. Introducing Hector He is a man wearing a hat and a camouflage military uniform. Return to Start

  10. Introducing Greg He is a man wearing a hat, but not wearing a military uniform. Return to Start

  11. Does the individual have facial hair or is he clean shaven? Facial Hair Clean Shaven

  12. Is the individual wearing black? Wearing Black Not Wearing Black

  13. What is the individual wearing? Suit Jeans

  14. Introducing Reggie He is a man with facial hair, wearing a black suit, but not wearing a hat. Return to Start

  15. Introducing Hugo He is a man with facial hair, wearing a black shirt and jeans, but not wearing a hat. Return to Start

  16. Introducing Bill He is a man with facial hair who is not wearing black or a hat. Return to Start

  17. What is the individual wearing? Shorts Pants

  18. Introducing Jack He is a clean shaven man who is wearing shorts, but not black or a hat. Return to Start

  19. Introducing Kurt He is a clean shaven man who is wearing pants, but not black or a hat. Return to Start

  20. Is the individual wearing a hat? Hat No Hat

  21. Is the individual wearing purple? Wearing Purple Not Wearing Purple

  22. What is the individual wearing Green Boa and Hat Red Boa and Hat

  23. Introducing Doris She is wearing a purple dress and green boa and hat. Return to Start

  24. Does the individual have a purse? Purse No Purse

  25. Introducing Erin She is wearing a purple dress and red purse, boa, and hat. Return to Start

  26. Introducing Rhonda She is wearing a purple dress and red boa and hat. Return to Start

  27. Introducing Gail She is wearing a hat, but not wearing purple. Return to Start

  28. What is the individual wearing? Pants Skirt

  29. Introducing Jenny She is wearing pants, but not a hat. Return to Start

  30. What color boots is the individual wearing? Red Black

  31. Introducing Mary She is wearing a skirt and red boots, but not a hat. Return to Start

  32. Introducing Beth She is wearing a skirt and black boots, but not a hat. Return to Start

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