If the grass in this example had 1,000 Kcal of energy, approximately how much would you expect of that energy to be stored in trophic level 4?

Which type of respiration takes place when there is no oxygen present? a. anaerobic b. mitochondrial c. cellular d. aerobica. anaerobic

Eutrophication caused by human nutrient pollution.

If the dimensions of a cube-shaped cell with a length,height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6