"The liver produces bile which emulsifies fats i.e. breaks them down into small droplets for a larger surface area. This will increase the rate at which the fat is digested by lipase. Bile also neutralizes the acid produced by the stomach to provide ideal alkaline conditions for enzymes in the small intestine."
all of the above can be considered ecosystems
2nd choice is the correct one
Answer:
Eating each other
Explanation:
When one organism(Billy) eats another organism(Bobby), the energy is transferred into that organism.
E.
Bobby dies
Billy eats Bobby
Bobby's energy goes to Billy
Billy now has more energy
Hope this helps!
The mountain lion population will decrease.