Why have humans evolved to be sensitive only to optical light? Why might this be an advantage? Why might it be a disadvantage? [Hint: What wavelength does the
Sun preferentially emit its energy?] If there are organisms elsewhere in the
Universe sensitive to the other wavelengths, what would they look like? Sketch
your idea.

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

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.

Were you able to observe the nucleolus in any of the cells if so which ones