A tiny insect known as an aphid obtains nutrition by poking a mouthpart into the stem of a plant. Once the aphid's mouthpart is inserted, fluid from the plant is actually pushed through the digestive tract of the aphid by pressure. The mouthpart of the aphid has most likely penetrated the _____ of the plant.

Question

Quizplus · Accepted Answer

The phloem is responsible for transporting nutrients, including sugars, throughout the plant. Aphids are known to extract nutrients from the phloem by inserting their mouthparts into the stem, which fits the given scenario described in the question.

A Tiny Insect Known as an Aphid Obtains Nutrition by Poking