How Would You Determine Whether an Unknown Plant Stem Had

question 51

Multiple Choice

How would you determine whether an unknown plant stem had microphylls or small megaphylls?

• A) Examine the vascular system. If there is only one strand of vascular tissue, they are most likely microphylls.
• B) Measure the length of the leaflike structures. If they are a centimeter or less in length, they are microphylls.
• C) Examine the branching pattern. If it is dichotomous, they are most likely megaphylls.
• D) Look for sporangia. If they are present, the leaflike structures are most likely microphylls.
• E) Look for roots. If they are absent, the structures are most likely megaphylls.

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