Choose the sentence in this excerpt that is an example of the figurative language personification.
The sticky green residue familiar from childhood tadpole ponds, as it turns out, could be a microscopic bellwether for this age of extinction.
Each year, high on Greenland’s glaciers, algae perform a remarkable migration. When they reach the surface, the algae turn black, dark green and crimson–colors that come from astaxanthin, a molecular cousin of the chemical that makes sweet potato orange.