Answer:
The person who said these lines is the Nurse.
Explanation:
Producers are organisms that get their energy directly from the Sun. Their cells are able to turn sunlight into food through a process called photosynthesis. In photosynthesis, producers combine carbon dioxide, water, and sunlight to produce oxygen and sugar (their food).
I think it is personification, because personification means to make non living things sound real, and the lines 149-151 follow that. “The taut gut vibrating hummed and sang a swallow’s note.”