Ants on the Aspen Sunflower, Helianthella Quinquenervis, Obtain Sugars and Amino

question 2

Multiple Choice

Ants on the aspen sunflower, Helianthella quinquenervis, obtain sugars and amino acids by

• A) collecting nectar from the sunflower's flowers.
• B) collecting nectar from extrafloral nectaries.
• C) tending aphids that extract plant sap.
• D) extracting plant sap directly by piercing the sunflower stem.
• E) All of the choices are correct.

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