One degree of latitude on the earth's surface is equal to:

A. 1 nautical mile

B. 1/60 nautical mile

C. 6 nautical miles

D. 60 nautical miles

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.

There are only about 250,000 known fossil species. true or false