Considering the darkness, depth, cold temperatures, how do these organisms get the food needed to survive?

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

Which direction does the energy flow in this energy pyramid ?