1. What is the term that refers to the change that happens in a living organism because of a stimulus? A. division
B. response
C. stimulus
D. heterotrophs
E. homeostasis

2. Choose the best example of an organism's response to a stimulus.
A. taking a bath
B. going to school
C. a boy shouting at his playmate
D. dog barks when there are fireworks
E. a man eating ice cream

3. Identify the process by which living organisms stay the same.
A. ectotherm
B. homeostasis
C. experimentation
D. response
E. heterotrophs

4. How does a one-celled organism grow?
A. It gets smaller.
B. It gets bigger.
C. It divides.
D. The size stays the same.