All algae and plants are photosynthetic autotrophs. Algae are difficult to define because the term describes such a wide diversity of organisms. ... Algae lack the vein-like vascular system found in most plants. Algae are considered the most important photosynthetic organisms on Earth.
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All algae and plants are photosynthetic autotrophs. Algae are difficult to define because the term describes such a wide diversity of organisms. ... Algae lack the vein-like vascular system found in most plants. Algae are considered the most important photosynthetic organisms on Earth.