An Ecologist Who Studies Populations Would Most Likely Be Interested

An ecologist who studies populations would most likely be interested in

A) adaptations that help individual organisms live in their environment.
B) births and deaths of individuals belonging to a particular species in a particular place.
C) the number and relative abundances of species living in a particular place.
D) physical and chemical transformations of energy and materials in the soil, atmosphere, and water.
E) transport of energy and materials at the global scale.