Bacteria are an important part of the digestive system. Select all statements that are true about the role bacteria play in digestion. A. Bacteria help with nutrient absorption.
B. Bacteria help with vitamin production.
C. Bacteria fill spaces in the digestive system so that bad bacteria cannot live there.
D. We can find both good and bad bacteria in the digestive system.​

Which pedigree symbol is used to represent a female carrier of a recessive x-linked trait? поө0 || save and exit submit

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s