An effective homeostatic system requires all of the following parts except for which? A Effector
B Control center

C nucleus
D Affector (receptor)

Informal assessments are best described as a. planned, pre-made assessments developed for a specific purpose. b. scheduled observations used to gather data in preschool settings. c. unreliable observation that's only appropriate in infant and toddler settings. d. nonstandardized forms of assessment used to gather information on children's behaviors and characteristics

Which of the following organizations is a part of the scouting movement? a. junior achievement b. girl guides c. boys and girls club d. 4-h

Which of the following can be effective in preventing the onset of viral infection in humans? a) taking vitaminsb) getting vaccinatedc) taking antibioticsd) taking drugs that inhibit transcription