I'm not 100% sure because it's been a while since I have read the book, but I want to say it's B or the second choice given.
It would be the robin redbreast.
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).
This means anthropology is not science.
