How much energy is passed from plants to primary consumers?

Explanation: Primary consumers only obtain a fraction of the total solar energy about 10% captured by the producers they eat. The other 90% is used by the producer for growth, reproduction, and survival, or it is lost as heat. You can probably see where this is going. Primary consumers are eaten by secondary consumers.

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is