Ecosystems vary spatially, change with time, and are made up of many complex interactions among its living and nonliving components.
(Ecosystems; vary; spatially) (Ecosystems; change; ) (Ecosystems; are made up; of many complex interactions among its living and nonliving components)
Ecosystems Ecosystems Ecosystems
vary change are made up
spatially
of many complex interactions among its living and nonliving components