Question

What might you hypothesize why one of the types of plants produced nodules with many bacteria in them and the other type of plant did not?



A.


Rhizobium probably died in the radish's pot, and if it had not, it too would have formed nodules with bacteria in them.


B.


A different type of bacteria is necessary for the radish plant to form nodules.


C.


All legumes would form nodules when grown in soil with Rhizobium, and all non-legumes would not.


D.


The bean plant has mechanisms to form nodules incorporating Rhizobium in response to encountering

Answer 1

its A

Answer 2

http://en.wikipedia.org/wiki/Rhizobia

Answer 3

thx

Answer 4

your welcome