137k views
3 votes
On hot dry days guard cells often close microscopic openings in plant leaves conserving water. This is an example of

A. Environmental factors causing gene mutation in plants
B. Finite resources acting as selecting agents for evolution
C. A feedback mechanism for maintaining homeostasis
D. Differentiation in plants as a result of stimuli

PLEASE HELP!!!

1 Answer

1 vote
It’s C. If you search on google there is a whole quizlet that may answer some of your others questions too :)
User Amada
by
5.9k points