Biology, 22.04.2020 20:46, amcdaniel1

Chemical signals in plants affecting the growth, activity and development of cells and tissues are
called
hormones
enzymes
auxins
phytochromes

Where does most of the photosynthesis occur in a plant?
stomata
guard cells
vascular cambium
mesophyll tissue

Which of the following is a basic requirement of plants?
sunlight
carbon dioxide
water
all of the above

Answers: 1

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Chemical signals in plants affecting the growth, activity and development of cells and tissues are