2. Monosaccharides are to polysaccharides as amino acids are to a. nucleic acids
c. polynucleotides
b. dipeptides
d. polypeptides

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase

One gene can influence trait(s). one trait can be determined by gene(s).