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Dichotomous key exercise featuring six animal illustrations for Grade 8A holiday homework.

A worksheet from The Indian Public School-Cambridge International showing six labeled animal illustrations (frog, worm, lizard, salamander, frog, and lizard) for constructing a dichotomous key.

A worksheet from The Indian Public School-Cambridge International showing six labeled animal illustrations (frog, worm, lizard, salamander, frog, and lizard) for constructing a dichotomous key.

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Show Answer Key & Explanations Step-by-step solution for: Grade 8 Dichotomous Key worksheet | PDF
1. A and E have webbed feet – go to 2
B, C, D, F, G do not have webbed feet – go to 3
2. A has a smooth back – A
E has a bumpy back – E
3. C and G have scales – go to 4
B, D, F do not have scales – go to 5
4. C has a long tail – C
G has a short tail – G
5. B is coiled – B
D has legs – D
F has a long tail – F
Parent Tip: Review the logic above to help your child master the concept of dichotomous key worksheet middle school.
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