Macromolecules provide structural support, a source of stored fuel, the ability to store and retrieve genetic information, and the ability to speed biochemical reactions , hope this helps :)
The break down of organic matter.
And the organism has to be buried.
Answer:
Only 10% of the energy is transferred to the next level.
Explanation:
The pyramid base contains producers (make their food through inorganic substances like photosynthesis), they're called producers.. this is then passed through other organisms by consuming. Keep in mind 90 percent of the energy is lost as heat.