Question

Which characteristics work well in a dichotomous key?

Answer 1

I would say A. It would make the most sense.
 Hope this helps!! and i know im a beginner but i know the answer

Answer 2

The correct answer is:

a) smooth or rough

Explanation:

A dichotomous key is a tool that facilitates the user to ascertain the status 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 "split into two parts.