How do sex cells differ from other cells in an animal's body?
a. they are usually much larger.
b. they are always moving.
c. they do not need energy to perform their functions.
d. they have half the number of chromosomes.

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.

Identify two examples of chemical reactions that you have encountered during the last week. identify an exothermic and endothermic reaction. explain.