An example incorrect fish key.

A possible fish key.

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1. When you compared your "fish" key to other groups were there more similarities or differences?

   There should be some differences; there is more than 1 way to key out these imaginary fish.
   But in real life, organisms evolved through a unique sequence of steps to the separate clades that we observe today.

2. Which step in the scientific method were you practicing as you made and used dichotomous keys?

   Observations.

3. Describe the value of using dichotomous keys.

   Dichotomous keys establish cladistic relationships among organisms.