The monarch butterfly population has declined due to a scarcity of(1 point)

Responses

milkweed.
milkweed.

grasshoppers.
grasshoppers.

crops.
crops.

spiders.

1 answer

The monarch butterfly population has declined due to a scarcity of milkweed. Monarchs rely on milkweed as their only food source for larvae and also for laying their eggs.