Which term applies to the biological aspect of a woodchuck living in underground burrows, eating plant food, and feeding often in open areas? A. productivity B. niche C. ecosystem D. energy flow

"C. Ecosystem"

An ecosystem is described by the interaction between living organisms in a given area, interacting with others, and non-living aspects of the environment where they are in. By considering the living place of a woodchuck, what they eat, and where they feed, we are talking about an ecosystem.