Answer: I think one observable adaptation of the redbud tree that makes it a member of the legume family is the shape of the fruit.
Explanation: Different species might look dissimilar but the unity among organisms becomes apparent from an analysis of internal structures, the similarity of their chemical processes, and the evidence of common ancestry
What do you mean? that is not can be answered
By assembling the rocks into parts of a bigger rock that might have eroded over time.