Question

Cuscuta growing on a host plant is an example of which population interaction?

Options

• Predation

• Parasitism

• Mutualism

• Commensalism

Answer 1

Cuscuta (dodder plant) growing on a host plant is a classic example of parasitism. Cuscuta lives on the host plant, deriving nourishment from it while causing harm. The parasite benefits (+) while the host is harmed (-), representing the (+/-) sign convention.