8) In this version of Drake’s equation, where N is the

20) Why are there no impact craters on the surface of Io?

1) What other places in the solar system have habitats that might support life?

33) On Saturn’s moon Enceladus, fountains of ice particles and water vapor are seen to be spraying out of

10) Approximately how many exoplanets have been discovered to date?

Name the specific vessels indicated (yellow arrows, A): Name the specific structure indicated (green arrow, B):

Name the structure indicated (A, yellow arrows): Name the type of tissue lining the lumen of the structure indicated (B, green arrows):

Match the indicated structure with the correct answer.

Based on this histology specimen, name the primary cell type located in the structure/region indicated (A, yellow arrow):

Which of the following is the best example of a stable, homeostatic variable in the human body?