Besides being disease carriers, aphids excrete ____, a substance concentrated with plant sugars that
leaves a sticky residue on anything underneath the aphid.
a. bioprotein c. sugardew
b. honeydew d. sap
Question 2When conditions seem to be changing, such as overdeveloping populations or when delicious,
nutritious plant juices are drying, ____ can develop wings and fly away to better prospects.
a. mealybugs c. aphids
b. scale d. fungus gnats