ANALYZE How could scientists use data from tree rings to learn more about ecosystems in the past? Use evidence from the tree ring in Figure 2a to support your answer.

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid