- A How organisms within a population reproduce
- B Flow of energy from producers to consumers
- C How water moves through an ecosystem
- D How organisms disperse across a habitat
Correct answer: B. Flow of energy from producers to consumers
Explanation: A food chain shows the sequence of who eats whom in an ecosystem, tracing the flow of energy and matter.
Concept context
Ecosystems, food chains, energy flow, nutrient cycles, biodiversity, and conservation.