________, a Chemical That Hardens Cell Walls and Supports Terrestrial

question 47

Multiple Choice

________, a chemical that hardens cell walls and supports terrestrial plants, is found in all plants EXCEPT ________.

• A)Lignin; bryophytes
• B)Cellulose; bryophytes
• C)Cellulose; ferns
• D)Lignin; ferns and bryophytes

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A global network of interconnected computer networks that enables users to share information and communicate over vast distances.

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