When an insect touches the bristles on the lobes of a Venus flytrap, the lobes close quickly, engulfing the insect. The movement of the insect inside the lobes causes the flytrap to secrete digestive enzymes that kill the insect. Which type of relationship does this describe?

This describes predation: the Venus flytrap captures and kills an insect, then digests it for nutrients. The insect is the prey, and the flytrap is the predator. Commensalism and parasitism do not describe this capture-and-kill interaction.

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