As a basis for understanding this concept, students know: a.&#9;ecosystems can be characterized in terms of their living and nonliving components.
(ecosystems; can be characterized; in terms of their living and nonliving components) Context(ecosystems can be characterized,List([64, 95))):(students; know; )
ecosystems can be characterized,List([64, 95))
ecosystems students
can be characterized know
in terms of their living and nonliving components