Which of the following statements about positive feedback mechanisms is not true?
a.
positive feedback mechanisms can result from human activity.
b.
positive feedback mechanisms can occur naturally.
c.
positive feedback mechanisms lead to increased change.
d.
positive feedback mechanisms reduce change in a system.

This is a type pf behavior that animals are born with and them to survive

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar

People with one sickle cell allele are not likely to get malaria. what is this an example of?