Biology, 24.09.2019 10:10 elijahjacksonrp6z2o7

When dry environmental conditions exist, guard cells close the openings in leaves to reduce the loss of water from the plant. this process is an example of a feedback mechanism that plants use in order to
a. maintain homeostasis.
b. expend their resources.
c. absorb more solar energy.
d. produce more chlorophyll.

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