Answer:
It was concluded that the dialysis tubing doesn't allow all kinds of substances to pass readily through the pores of its membrane. This means that it is selective in its permeability to substances. The dialysis tubing was permeable to glucose and iodine but not to starch.
Explanation:
Over a liter of water is reabsorbed by the colon
Answer:
producers
Explanation:
producers are plant which are at the base of an ecosystem.
I think they have the answer to this online regents answer and a non regents answer