Which statement about the pectoral girdle is false

The shoulder girdle is a complex of five joints that can be divided into two groups. Three of these joints are true anatomical joints while two are physiological ("false") joints.[explain 1] Within each group, the joints are mechanically linked so that both groups simultaneously contribute to the different movements of the shoulder to variable degrees. [1]

i think the answer would d

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects