Which one of the following is a pair of symbiotic organisms?
A. Lichens
B. Rhizobium and a legume
C. Both (a) and (b)
D. None of the above
Answer:C
Which one of the following is a pair of symbiotic organisms?
A. Lichens B. Rhizobium and a legume C. Both (a) and (b) D. None of the above