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Question

primary root found in some plants that grows longer and thicker than other roots
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part of a root system in which roots branch to such an extent that no single root grows larger than the rest
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Plant Vocab

QuestionAnswer
primary root found in some plants that grows longer and thicker than other roots taproot
part of a root system in which roots branch to such an extent that no single root grows larger than the rest fibrous root
central region of a root that includes the vascular tissue - xylem and phloem vascular cylinder
tiny projections from the outer surface, or epidermis, of roots root hairs
tough structure that protects a root as it forces its way through the soil root cap
type of plant growth that occurs at the tips of roots and shoots primary growth
pattern of plant growth in which stems increase in width secondary growth
group of undifferentiated cells that divide to produce increased length of stems and roots apical meristem
group of undifferentiated cells that divide to produce increased width lateral meristem
lateral meristematic tissue that produces vascular tissues and increases the thickness of the stem over time vascular cambium
lateral meristematic tissue that produces the outer covering of stems cork cambium
older xylem near the center of a woody stem that no longer conducts water heartwood
area in plants that surrounds heartwood and is active in fluid transport sapwood
contains old, non-functioning phloem that protects the tree cork
tree structure that includes all tissues outside the vascular cambium, including phloem, the cork cambium, and cork bark
layers of xylem wood
thin, flattened section of a plant leaf that collects sunlight blade
thin stalk by which a leaf blade is attached to a stem petiole
loss of water from a plant through its leaves transpiration
specialized cell in the epidermis of plants that controls the opening and closing of stomata by responding to changes in water pressure guard cell
opening in the underside of a leaf that allows carbon dioxide and oxygen to diffuse into and out of the leaf stomata
first leaf or first pair of leaves produced by the embryo of a seed cotyledon
food-rich tissue that nourishes a seedling as it grows endosperm
early growth stage of a plant embryo germination
the first leaf above the ground, forming a sheath around the stem tip coleoptiles
wall of tissue surrounding an angiosperm seed fruit
sperm cells in pollen fertilize the egg cells in the same flower self-fertilization
the fertilization of an organism by fusion of an egg from one individual with a sperm or male gamete from a different individual cross fertilization
flowering plant that completes a life cycle within one growing season annual
flowering plant that completes its life cycle in two years biennial
flowering plant that lives for more than two years perennial
Created by: r0402631
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