A) They are physiologically distinct
B) They are morphologically distinct
C) They cannot interbreed in nature
D) They are reproductively distinct
Correct Answer: D
Solution :
[D] Biological concept of species says that only the members of a species can breed freely in nature to produce fertile offsprings. The plant tobacco (Nicociana) has two different species, Nicotiana tobaccum and Nicotiana sylvestris. These two species cannot reproduce freely. |
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