Why is the brain an important component of the nervous system a. it produces nerve cells for other parts of the body b. it produces antibodies c. it produces adrenaline and other hormones d. it processes information from the peripheral nervous system

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