Darwin believed that giraffes acquired longer necks by slowly stretching to reach leaves located higher above the
ground.

true

false

False

Explanation:

He believed that they were born with a long neck by chance, and that those with longer necks survived and had offspring with similar features.

passive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.

so, according to what that says, i believe it's hypertonic and hypotonic.

good luck!