- A Insect larvae
- B Bacteria in soil
- C Plant roots
- D Bird nests
Correct answer: C. Plant roots
Explanation: Mycorrhizae are mutualistic associations between fungi and plant roots, helping the plant absorb nutrients more efficiently.
Concept context
How organisms interact with abiotic factors and respond to stress, plus population attributes, growth models, and interspecific interactions such as predation, competition, and mutualism.