Which statement about the testes is true? each testis contains the ductus deferens. the testes are suspended by the spermatic cord. each testis has its own scrotal sac and seminal vesicle. the testes must be kept at a temperature slightly above body temperature.

Which of the following diseases may be transmitted through an accidental needle stick? a. syphilis b. tuberculosis c. cellulitis d. hepatitis b

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

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