Which describes protozoa? (Select All) T
6
heterotrophic
O eukaryotic
able to move
single-celled

What did hunter gathers do to alter the environment?

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.

Which is the most likely reason the writer of the play pygmalion chose to change the character of galatea from a statue to working-class woman?