Deduce the prompt from the field sketch. Every organism below lives on a world far from Earth: there is no fossil and no locality, but the silhouettes share obvious kinship with life here. That kinship is the whole basis for the trait vocabulary — era, habitat, and taxon are a borrowed Earth comparison, not that world's own record. Read the visual evidence of an unnatural history, and score 5 of 6 to dissect.
SYNTHETIC SPECIMENS