When asked why pain is considered the fifth vital sign, a nurse explains to a patient that pain:

Traits that provide individuals with a survival or reproductive advantage are called

3 pt ESSAY!  List and briefly describe all of the 5 Hardy-Weinberg conditions required for ‘equilibrium’ state of no evolution to occur.

Change in the frequency of genes in a population over several generations is

In a species of salamander, there are two different forms: red striped and yellow striped. Both are quite tasty.  In one area, the yellow form was quite common, and the red form was rare.  Because of this, predators ate more yellow salamanders and were thus more likely to identify the yellow salamanders (over the red) as tasty food.  This continued until the yellow salamanders were eaten so heavily that the red striped form began to outnumber them.  As the red salamanders become more common, and yellows rare, the predators were more likely to eat the red ones…and the yellow form was less likely to be eaten (and more likely to survive and reproduce). This is an example of:

Identify the tissue in the image below.

Name the cell that secretes the fibers in the image below.  

Identify the structure at the tip of the pointer

Name the strata “A” found at the tip of the blue pointer.

Where in the human body can you find this tissue, give one example.