In the food chain, how much of the sun's energy is lost as heat before it reaches a producer? 1% 10% 50% 90%

Which of these organisms have the greatest amount of cell specialized

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

Does mitochondria still meet the definition of a eukaryote why or why not?