The pioneers of vegetation on rocks areA. Lichens
B. BacteriaC. Algae
D. Fungi
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The pioneers of vegetation on rocks are lichens. They are composite organisms.
The lichens are very hard in nature and can sustain extreme conditions and are the first member to colonize the ecosystem.
They can hold up with long roots or root nodes and hold bacteria that can fix nitrogen.
They come in many colors, design and size look like plants but are not plants. They occur in any elevations from sea level to high terrains.
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Lichens are pioneers..................…
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