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algas verdes: unicelulares, do reino protista, organismos fotossintetizantes.
começaram a colonizar o ambiente terrestre há, aproximadamente, 1.200 milhões de anos.
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.