What would lead to an increase in death rate and a decrease in birth rate as it nears earth's carrying capacity?

10111213141516lactic acid fermentation differs from ethyl alcohol fermentation in thato in ethyl alcohol fermentation co2 is also producedlactic acid fermentation can occur in all living thingsethyl alcohol fermentation can only occur in plantsonly lactic acid fermentation can produce more atp

The (blank) states that all loving things are made of cells.

Which organelle plays a role in intracellular digestion?