Which plant is vital to the survival of monarch butterflies?

A Mosses
B Milkweed
C Tulips

Monarch butterflies and milkweed have a symbiotic relationship. The insects lay their eggs on no other kind of plant, and once the larvae hatch into caterpillars they rely solely on milkweed for nourishment. In exchange, the butterflies are milkweed’s main pollinators.

The correct answer is Milkweed.