Dwarf mistletoes are flowering plants that grow on certain forest trees. They obtain nutrients and water from the vascular tissues of the trees. The trees derive no known benefits from the dwarf mistletoes. Which of the following best describes the interactions between dwarf mistletoes and trees?
A) mutualism
B) parasitism
C) commensalism
D) facilitation
E) competition

Question

Quizplus · Accepted Answer

Dwarf mistletoes are obtaining nutrients and water from the trees' vascular tissues without providing any known benefit to the trees. This is an example of parasitism.

Dwarf Mistletoes Are Flowering Plants That Grow on Certain Forest