Help me plz I dont know this

1. Producers have the most energy in the pyramid.
2. Tertiary Consumers have the least energy (top one)
3. The importance of decomposers in the ecosystem is breaking dead animals down and turning non living things into nutrients. These nutrients make the soil better helping plants grow.
4. 900 kcal
5. Another name for producer is autotroph.
6. The amount of energy for a primary consumer is 9,000 kcal.

good luck :)