Respuesta :
Answer:
I believe the answer is: C a bear living in a hollowed-out log.
Because:
The bear is living and the hollowe-out-log isn't.
Answer:
An ecosystem includes both living (i.e. plants & animals) and non-living components/ things (i.e. rocks, light, water, air, & soil). Ecology is the study of how living & non-living things of an environment interact.
For example, Sunlight is an important non-living components which helps plants in producing oxygen and food, and provides heat for life on the Earth.
Similarly, a forest has plants such as grasses, bushes, and trees which provide food to animals, shade from the sunlight and shelter to other organisms. Thus the living components within the forest too are inter-dependent for survival.
Explanation: