If the heterotrophs in level 2 of a trophic pyramid produce 20,000 kilograms of biomass, how much energy did the autotrophs produce? a 20 kg b 200 kg c 2,000 kg d 200,000 kg

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

Which of the following statements most accurately describes convergent evolution? the process in which two similar species evolve separately from each other and share similar characteristics the process in which a single species evolves into two or more new species the process in which two entirely different species evolve in response to each other the process in which two different species evolve separately from each other but still share similar characteristics

Which of the following shows the results that you would get if you tested beef using the four tests in the gizmo