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Use the information below to answer Numbers 1 and 2.

Aphids are insects that feed on fluids from the stems of plants. After the aphids ingest the plant fluids, they excrete a liquid called honeydew.

Ladybugs eat aphids, which are a source of protein for the ladybugs. Which of these terms best describes the relationship between the ladybugs and the aphids?
 
Fake Radio Button   A     mutualism
Fake Radio Button   B     parasite–host
Fake Radio Button   C     predator–prey
Fake Radio Button   D     commensalism
 
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