id Flashcards
1
Q
negative feedback
A
a variation outside normal limits triggers an automatic response that corrects the situation
ex: body temp, blood glucose levels
2
Q
positive feedback
A
initial stimulus produces a response that reinforces the stimulus (amplifies)
ex: crowd cheering at a football game
3
Q
9 things you need to live
A
cells reproduce homeostasis DNA adapt use energy movement grow evolve