As newts' poison became more toxic, the garter snake's resistance to it became more efficient. this is an example of
coevolution
divergent evolution
convergent evolution
adaptive radiation

the median of the data is 4.5.

other quantities, called derived quantities, are defined in terms of the seven base quantities via a system of quantity equations. the si derived unitsfor these derived quantities are obtained from these equations and the seven si base units.

i took a test for bio that had this question and these were the correct answers, not sure if this is any now lol

the nervous system and the muscular system work together.  

sweat reaches the surface of the skin and evaporates into the air.

muscles underneath the skin relax, causing hair on the skin to lay flat.