A student is shown a slide of cells from a species of producer in a food web. The student observes that the cells have chloroplasts. What conclusion about the food web is best supported by these findings?

Pick your answer from:
 a). The producers capture energy from sunlight..
 b). The food web is found in a terrestrial ecosystem..
 c). The producers in the web are single-celled organisms..
 d). The food web contains many herbivores and omnivores..
a).