Which structure of the male reproductive system surrounds the urethra at the neck of the bladder?

What do animals wth echolocation have in common other than echolocation

What is the period of cell life when it is conducting

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.