Weegy: D. They breathe oxygen. all living things breathe oxygen. User:
As a sunflower grows, it bends toward the sun's light. This is an example of
B. response to a stimulus.
C. artificial selection.
D. a controlled experiment.
Weegy: B. response to a stimulus. User:
Which best completes the sentence? If something can reproduce then it
A. is a living thing.
B. might be a living thing.
C. is not a living thing.