Which of the following traits is a synapomorphy of the clade archosauria?
a. a single temporal fenestrate for increased jaw musculature
b. multi-cusped teeth for processing hard plant material
c. a fourth trochanter for the attachment of muscles on the femur
d. feathers to increase thermoregulation and insulation

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

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are

If 360 joules of work are needed to move and create a distance of 4 m what is the weight of the crate