Nicotiana sylvestris flowers only during long days and N.tobacum flower only during long days in the labortory undre different photoperiods , they can be induced to flower at the same time and can be cross fertized to flower aat the and can be corss fertillzed to produce self - fertile offsping .What is the best reason for considering N. syvestris and N . tobacum to be separate speciesA. They arae physioogically disnctB. They araea morphologically distinceC. they connot interbreed in natureD. They are reprductively distinct

Nicotiana sylvestris flowers only during long days and N.tobacum flowe

1.	Nicotiana sylvestris flowers only during long days and N.tobacum flower only during long days in the labortory undre different photoperiods , they can be induced to flower at the same time and can be cross fertized to flower aat the and can be corss fertillzed to produce self - fertile offsping .What is the best reason for considering N. syvestris and N . tobacum to be separate speciesA. They arae physioogically disnctB. They araea morphologically distinceC. they connot interbreed in natureD. They are reprductively distinct
Answer» Correct Answer - c