Question

1. an ecologist is researching how different species contribute to the functioning of a grassland ecosystem. she is interested in not only where each species lives, but also the specific role or \occupation\ each species fulfills; such as what it eats, how it interacts with other organisms, and how it contributes to energy flow. what term best describes this set of roles and activities for a species? population community niche habitat

Explanation:

A niche refers to the role and activities of a species in an ecosystem, including its feeding habits and interactions with other organisms. A habitat is the physical place where a species lives. A population is a group of the same - species organisms. A community is a group of different species living in the same area.

Answer:

B. Niche