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

The answer is a: the eggs have half as many chromosomes as the body cells

C) reflection (i also looked up the other choices just to make sure)

The answer to this is b

Hunting in the darksome fish rely on senses beyond sight. in the darkness of the marianas trench, a fish called the rattail has an extremely sensitive sense of smell. the fish uses scent, rather than sight, to steer toward food. once it's near food, the rattail uses a special organ on the bottom of its chin to guide itself by feel.marine snowone staple of the deep sea diet is "marine snow," flakes of organic, edible substances that sink down from the upper ocean. animals at the ocean's bottom find sustenance in everything from the bodies of dead creatures to fecal matter. marine snow is diverse enough to support numerous species. for instance, several species of snails and worms feed exclusively on deceased whales.microorganismsthe deep sea is an intricate ecosystem, and even the ocean floor itself plays a part. hydrothermal vents are cracks in the sea floor where erupting magma mixes with ocean water to produce plumes of hot, sulfur-rich chemicals. some microbes can use these chemicals for energy, sustaining their existence and that of the animals who depend on their roles in the deep sea food chain.