Maddie and juan's were given to task of trying to cook a hot dog using the sun! they built this oven using a box and aluminum foil. after setting up the device, they put two hot dogs in the box. ten minutes later the hot dogs were hot and ready to eat. describe the energy transformation that took place in the students' oven. a. solar energy to heat energy b. solar energy to light energy c. reflected energy to heat energy d. light energy to mechanical energy

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.

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

What is the ecological role of food chains and food webs