1. Each branching point represents a point in evolutionary history where an ancestral evolutionary lineage gave rise to a new lineage. The most recent common ancestor shared by all lineages in this cladogram is represented by the number
Enter... The most
recent common ancestor shared only by gymnosperms and angiosperms is represented by Enter..

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

bradykinin is a physiologically and pharmacologically active peptide of the kinin group of proteins, consisting of nine amino acids.

cell/ tissue/ organ/ organ system/ body