top view of plants cad blocks in AutoCAD, dwg file.
<p>This Architectural Drawing is AutoCAD 2d drawing of top view of plants cad blocks in AutoCAD, dwg file. There are <strong>about 320,000 known species of plants</strong>, of which the great majority, some 260–290 thousand, produce seeds. Green plants provide a substantial proportion of the world's molecular oxygen, and are the basis of most of Earth's ecosystems.</p>