A) Dandelions. B) Milkweed. C) Oak leaves. D) Grass.
A) Fall. B) Spring. C) Summer. D) Winter.
A) Natural predators. B) Competition with other species. C) Loss of habitat. D) Climate change.
A) Costa Rica. B) Mexico. C) United States. D) Canada.
A) Vegetables. B) Nectar from flowers. C) Fruit. D) Tree sap.
A) Danaus plexippus. B) Lycaena phlaeas. C) Aglia tau. D) Papilio machaon.
A) Vermont. B) Hawaii. C) Alaska. D) Texas.
A) Overpopulation of monarchs. B) Climate variability. C) Increasing predator populations. D) Habitat loss due to agriculture. |