Most of the water that evaporates from leaves passes out through the
A. cuticle.
B. ends of xylem vessels.
C. epidermis.
D. spaces between epidermal cells.
E. stomata.
E. stomata.
The majority of water exits a plant through the stomata. Since water exits through the stomata, the plant can regulate water loss. The opening of the stomata are regulated by guard cells. When the plant needs to conserve water, the guard cells close the openings to the stomata.
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Malpighian tubules are found in ____
a. annelids b. mammals c. flatworms d. insects e. reptiles
At what point in this action potential diagram are many Na+ activation gates open and K+ activation
gates closed?
a. A b. B c. C d. D e. E
In the section "Investigating Life: The Battle for Position in Cacao Tree Leaves", what was the dependent variable?
A. the age of the leaf B. the percent of the leaf area damaged C. the presence or absence of endophyte spores D. the presence or absence of the pathogen Phytophthora E. the percent of the leaf area containing endophytes
Exchange of segments between nonsister chromatids of a bivalent during meiosis.
What will be an ideal response?