All of the following could be considered reconstruction except

scientists assume an area was once undersea due to the types of rock deposits
scientists assume an animal was a meat eater because of the teeth in its fossil
scientists assume an animal could climb trees because of its hand structure
scientists predict a volcano will erupt in the near future because of current volcanic activity

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.