To be classified as a living organism, an object must?
a) be made of at least one cell
b) all of the choices
c) have a complex chemistry
d) maintain homeostasis

Match the digestive enzymes to the macromolecules they to digest. break down fats into glycerol and fatty acids break down carbohydrates into simple sugars break down nucleic acids into nitrogenous bases and simple sugars break down proteins into amino acids

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.