The Ecology course begins with a study of major living and nonliving components of the ecosystem, the biosphere, the atmosphere, the hydrosphere and the lithosphere.
(The Ecology course; begins; with a study of major living and nonliving components of the ecosystem, the biosphere, the atmosphere, the hydrosphere and the lithosphere)
The Ecology course
begins
with a study of major living and nonliving components of the ecosystem, the biosphere, the atmosphere, the hydrosphere and the lithosphere