Plants in general requirhow many essential elements, both macro anmicro, for their growth ansurvival?
A) 6
B) 12
C) 16
D) 22
E) 28
Correct Answer:
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Q55: Bark is
A)a mixture of primary xylem and
Q56: Annual growth rings arformein woody stems principally
Q58: Root hairs arthextensions of the
A)apical meristem.
B)epidermal cells.
C)pericycle.
D)vascular
Q59: In an annual trering, thwoowith largdiameter, thin-wallecells
Q61: Thsink region in thpressurflow explanation of phloetransport
Q62: Water moves through a plant becausof
A)transpirational pull.
B)the
Q63: Mycorrhizaare
A)roots.
B)bacteria.
C)fungus roots.
D)isolated plants.
E)small animals found in agricultural
Q64: Thopenings in leaves that function to exchanggases
Q65: Thsourcregion in thpressurflow explanation of phloetransport is
Q73: Mycorrhizae
A) increase plant growth.
B) are symbionts.
C) allow
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