A. Cones or flowers
B. Unicellular or multi -cellular
C. Cones, flowers, or spores
D. Carnivorous or not
E. Opposite or alternate leaves
AB. Stems thorny or thorn less
AC. All of the above could be used to construct a dichotomous key
AD. None of the above could be used to construct a dichotomous key.Which of the following would NOT be appropriate choices to use when making a dichotomous key?
C.Cones, flowers, or spores
Because you need two solid choices like the other answers.