Plants and Algae Most Recently Shared a Common Ancestor 480

question 29

Multiple Choice

Plants and algae most recently shared a common ancestor 480 million years ago,and plants colonized land shortly after that.Light,water,minerals,and dissolved gases surround the whole body of a submerged green alga,and the buoyancy of water provides physical support.What adaptation did plants have to make in taking up water and minerals when they moved to dry land?

• A)Development of stomata
• B)Production of pollen
• C)Development of vascular tissue
• D)Production of a cuticle
• E)Production of lignin

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