Water enters a cell when there is more salt IN the cell than the extracellular environment. This is an example of
a. equilibrium
b. hypotonic
c. isotonic
d. hypertonic

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Which of the following is a common response to cell signaling?