Energy. A solute can only move against concentration gradients using active transport which requires energy
My Answer: Vestigial organs
Why?: " Vestigial organs are physical structures that were fully developed
and functional in an ancestral group of organisms but are reduced
and unused in the later species."
Hope I helped! :D
Answer:
jneuschafer is such a chad he didnt even add the answer for the points. but yeah, what he said
Explanation:
Your outer skin is your epidermis, so just look at your arm
The answer is actually "to prepare for special medical needs' I took the test
