IF THERE ARE 45 SHEEP IN AN ENCLOSED AREA THAT IS 10 MILES BY 11 MILES CAN YOU ESTIMATE HOW MANY SHEEP WOULD BE IN A SMALLER AREA INSIDE THE ENCLOSURE MEASURING 3 MILES BY 9 MILES?

Environmental differences within ecosystems are generally caused by

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.

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.