What genotypic ratio is expected in the offspring of this cross
a. 1: 1
b. 1: 2
c.1: 3
d. 1: 4

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.