2. Which food chain correctly diagrams the flow of energy?
 A
 Primary
 consumer
 Producer
 Tertiary
 consumer
 Secondary
 consumer
 B.
 Producer
 Primary
 consumer
 Secondary
 consumer
 Tertiary
 consumer
 c.
 Primary
 consumer
 Secondary
 Tertiary
 consumer
 consumer
 Producer
 D.
 Tertiary
 consumer
 Secondary
 consumer
 Primary
 consumer
 Producer