8. Bile salts play a crucial role in gastrointestinal homeostasis and digestion. Which phrase is the BEST description of the gastrointestinal function of bile salts?
A. digestion and absorption of proteins in the liver
B. digestion and absorption of fats in the small intestine
C. digestion and absorption of carbohydrates in the liver
D. digestion and absorption of cholesterol in the large intestine

Nucleic acids offer variability because they contain alternate forms of genes called .

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water

What are 3 reasons that natural selection occurs