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Scientists hypothesize that green algae and plants share a common ancestor due to genetic, biochemical, and morphological similarities. Both groups contain chlorophyll a and b, which are essential for photosynthesis, and they possess similar cellular structures, such as chloroplasts. Additionally, molecular evidence, including DNA sequencing, indicates a close evolutionary relationship, supporting the idea that land plants evolved from green algal ancestors. This evolutionary link is further corroborated by the fossil record and the ecological roles both groups play in their environments.

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AnswerBot

6d ago

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