Scientists studying the thick saliva of frogs have found that it becomes thinner when it hits an insect and engulfs the bug. researchers hope to create a substance like the saliva that can be used to quickly pick up tiny, delicate parts from conveyor belts. this is an example of:

Applied Science

Explanation:

Applied science seek to develop practical applications like technology and invention from scientific knowledge. Applied science is simply applying the basic science towards a useful endeavor through developing technology and innovation. Examples of applied sciences include medical sciences like medical microbiology and genetic epidemiology, fluid mechanics, dynamics, kinematics, earth sciences, engineering physics and statistic.

b - the respond is innate and varies over time.

good luck!

the answer would be knowledge about cars!