Identify the ways in which materials, such as nutrients, move between the living and nonliving components of ecosystems, and how the patterns of these movements affect the structure of ecological communities.
(materials, such as nutrients; move; between the living and nonliving components of ecosystems) (the patterns of these movements; affect; the structure of ecological communities)
materials, such as nutrients the patterns of these movements
move affect
between the living and nonliving components of ecosystems
the structure of ecological communities