A laboratory animal may eat any one of three foods each day. laboratory records show that if the animal chooses one food on one trial, it will choose the same food on the next trial with a probability of 50%, and it will choose the other foods on the next trial with

Complete the following statements about the functions of the digestive system. carbohydrates and fats are digested in secretes enzymes that aid in the digestion of carbohydrates, fats, and proteins. the secretes bile; bile is stored in undigested food is processed into feces in feces is then stored in until it is eliminated from the body via

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.

Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods