Classification Keys Dichotomous keys What is a dichotomous
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Classification Keys
Dichotomous keys • What is a dichotomous key? • Divided into two parts • A step-by-step guide to identify an organism – Each step gives a choice of two descriptions. – The descriptions have to be opposites • Ex. Leaves round vs. leaves not round
Classifying Mr Men
Meet the Mr Men Mr Forgetful Mr Clumsy Mr Happy Mr Fussy Mr Strong Mr Impossible Mr Noisy Mr Grumpy
What characteristic splits the group in half 1) Does he have a hat?
Mr Men with Hats 2) Is he round?
Mr Men without Hats 2)Does he have hair?
Mr Men with Hats who are round • 3)Is his hat red?
Mr Men with hats who aren’t round 3)Is he smiling
Mr Men without hats who have hair 3)Is his hair neat and tidy?
Mr Men without hats and hair 3) Is he wearing shoes?
Mr Clumsy His Characteristics • He doesn’t have a hat • He has hair • His hair isn’t neat and tidy Back to the start
Mr Forgetful His Characteristics • He does have a hat • He is round • His hat is red Back to the start
Mr Fussy His Characteristics • He doesn’t have a hat • He has hair • His hair is neat and tidy Back to the start
Mr Grumpy His Characteristics • He does have a hat • He isn’t round • He isn’t smiling Back to the start
Mr Happy His Characteristics • He doesn’t have a hat • He doesn’t have hair • He isn’t wearing shoes Back to the start
Mr Impossible His Characteristics • He does have a hat • He is round • His hat isn’t red Back to the start
Mr Noisy His Characteristics • He doesn’t have a hat • He doesn’t have hair • He is wearing shoes Back to the start
Mr Strong His Characteristics • He does have a hat • He isn’t round • He is smiling Back to the start
Think of suitable questions to help classify the 8 Mr Men shown below Classifying Mr Men
Create a key that will allow you to identify students in a small group of about 8.
- Dichotomous classification
- Animal dichotomous key
- Taxonomic keys
- Dichotomous keys split choices into parts.
- Branched dichotomous key
- Ladybug dichotomous key
- Dichotomous key pine trees
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- Joan sedita keys to content writing
- Monkey dichotomous key
- Classification keys worksheet
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- Manifold tabulation
- Traditional classification vs modern classification
- Grasshopper dichotomous key
- Cypress cones identification
- Six kingdoms dichotomous key
- Dichotomous variables.
- Dichotomous variables.
- Dinosaur dichotomous key
- Dichotomous variable
- Mineral dichotomous key
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- Linnaeus