An aphid is an insect that has mouthparts to sip plant sap. When placed on an herbaceous stem, it soon has its mouthparts embedded and is withdrawing plant sap. What layer of cells has the aphid's mouthparts tapped?
A) xylem
B) phloem
C) parenchyma
D) trichomes
E) collenchyma

Question

Quizplus · Accepted Answer

The aphid's mouthparts are adapted to tap into the phloem, the layer of cells responsible for transporting sugars and other nutrients in plants.

An Aphid Is an Insect That Has Mouthparts to Sip