Green algae ancestor - PowerPoint PPT Presentation

Origins of Plant Life and Plant Adaptations

Origins of Plant Life and Plant Adaptations. Plants Have Similarities to Algae. Recall that algae are plant-like protists that are not classified as plants because they lack true roots, stems and leaves. There are a number of striking similarities between plants and algae. Eukaryotic

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387 views • 18 slides

Plants

Plants. Introducing…Plants. Earliest plants appeared around 500 million years ago Thought to have evolved from algal like ancestors. General Characteristics:. Eukaryotic, multicellular , photosynthetic Cellulose in cell wall Mostly terrestrial, variety of living conditions

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389 views • 17 slides

Plant Evolution

Plant Evolution. Plant Evolution. Evolved from green algae (450 mya) Both have chlorophyll, store energy as starch, DNA similarities Green algae ancestor Multicellular body Cells w/ channels to communicate Reproduce w/ sperm &amp; egg Early plants Low growth. Land Adaptations.

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676 views • 7 slides

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