Which graph shows a car is stopping at 1 stop sign to the next? (8th grade science)

Which of the following best describes homeostasis? a. keeping the internal environment in a stable state b. keeping the external environment in a stable state c. beneficial characteristics resulting from mutation d. reproduction that results in offspring identical to the parent.

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

When the solution concentration on the outside of a cell is greater than thesolution concentrate on the inside of the cell, what type of solution is the cellwithin?