About how much energy is lost with each transfer from one trophic level to the next? A. 90%

B. 35%

C. 10%

D. 65%

E. 0%

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

Pick twenty foods and research the amount of total carbohydrates, sugars, and other carbohydrates in them. note: most food labels have this information. record your findings.

When analyzing tree rings, what do scientists assume a thin ring indicates?