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28 Cards in this Set
- Front
- Back
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The tissue in plants consisting of undifferentiated cells |
Meristem |
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Generate cells for new organs |
Meristems |
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perpetually embryonic tissue and alls for indeterminate growth |
Meristems |
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a growth throughout a plants life |
indeterminate growth |
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Meristems give rise to ____ and _____. |
initials, derivatives |
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remain in the meristem, undergo mitosis, and keep the cells alive |
initials |
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become specialized in developing tissues and leave the meristem |
derivatives |
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when a plant organs cease to grow at a certain size |
determinate growth |
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located at the tips of roots and shoots and at the axillary buds of shoots |
apical meristems |
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process of apical meristems elongating shoots and roots |
primary growth |
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adds thickness to woody plants, grows horizontally |
lateral meristems |
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the process of lateral meristems |
secondary growth |
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two types of lateral meristems |
vascular cambium and cork cambium |
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adds layers of vascular tissue |
vascular cambium |
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replaces epidermis with periderm, which is thicker and tougher |
cork cambium |
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the parts of the root and shoot systems produced by apical meristems |
primary plant body |
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covers the root tip and protects the apical meristem as the root pushes through soil |
root cap |
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the three zones of cells that growth occurs in just behind the root tip |
zone of cell division zone of elongation zone of maturation |
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a dome-shaped mass of dividing cells at the shoot tip |
shoot apical meristem |
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develop from meristematic cells left at the bases of leaf primordia |
axillary buds |
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branches develop from ____ on the stem's surface |
axillary buds |
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adds girth to stems and roots in woody plants |
secondary growth |
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consists of the tissues produces by the vascular cambium and cork cambium |
secondary body |
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occurs in stems and root of woody plants but rarely in leaves |
secondary growth |
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a cylinder of meristematic cells one cell layer thick |
vascular cambium |
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gives rise to the secondary plant's body protective covering, or periderm |
cork cambium |
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growth, morphogenesis, and differentiation produce _______. |
the plant body |
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transform the fertilized egg into a plant |
developmental processes |
