In which sealed container with the organisms be able to continuously cycle o2 and co2 gases a. a terrarium with a frog and pool of water b. an aquarium with fish and plastic pants c. an aquarium with water plants and a snail d. a terrarium with mice and wood shaving

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.

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.

The transport tubes for food coming down the plants are called?