Identify the structure marked as 3.

The trigone of the urinary bladder is formed by ___

During what phase of meiosis are homologous chromosomes independently assorted and pulled toward opposite poles of the cell by spindle fibers?

Death in a hospital is:

Palliative care and hospice care:

You want to compare the hind and foreleg of deer to see which is bigger.  You take 13 deer and for each deer you measure the foreleg and the hindleg.  All the data are normal.  How would you analyze this problem?

You examine the effect of drought on plant growth. You take 20 tomato seedlings and expose each of them to an increasing level of drought (each plant gets successively less water). After two weeks you measure plant weight and amount of water. To analyze this problem would you pick a one or two sided test?

You have a 4 x 6 contingency table.  Give the correct value of

A residual plot shows a totally random pattern (just a random collection of points above and below the line).  What is wrong with this plot?

You take a sample of 37 gray squirrels and find that 8 of them are black in coloration. Based on genetics, you expect 25% of your squirrels to be black.  To analyze this problem would you pick a one or two sided test?