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| Largest family of angiosperms |
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| Single flower w/ multiple carpels such as blackberries or rasberries |
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| non naked seed-fruit protection |
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contains fleshy exocarp and mesocarp.
Hard endocarp |
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| lateral roots w/ no main roots |
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| aerial roots, add structural support |
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| grow around objects that support the plant |
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| roots that rise in the air, have pores for gas exchange |
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| absorb water and nutrients from other plants |
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| modified stem, Short underground storage stem |
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–Horizontal stem
–At the ground surface or just underground
–Adventitious roots
–Produces clone at the end of the stem
–Examples
•Strawberry
•Many grasses |
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–Underground stems
–Modified leaves
•Storage when dormant
–Examples
•Garlic
•Onion |
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| attachment between a leaf and the stem |
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| Three types of plant tissue |
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| the outer protective layer covering plants |
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A transport system
formed by xylem and phloem throughout a
vascular plant. |
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| transports water and minerals |
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Plant tissues that are neither
vascular nor dermal, fulfilling a variety of
functions, such as storage, photosynthesis, and
support. |
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Definition
-use enzymes to digest prey
-lack nitrogen in soil |
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Term
| 5 generals types of plant cells |
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Definition
–Parenchyma
–Collenchyma
–Sclerenchyma
–Water-conducting cells of the xylem
–Sugar-conducting cells of the phloem |
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Term
| ground tissues are composed of... |
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Definition
–Parenchyma
–Collenchyma
–Sclerenchyma |
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Growth produced by apical
meristems, lengthening stems and roots. |
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Growth produced by lateral
meristems, thickening the roots and shoots of
woody plants. |
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| has both primary and secondary growth |
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| plant moves in coordination with the sun |
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| Soil particles differentiated by size, smallest to largest: |
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•The layer of soil bound to the plant’s roots
•The rhizosphere has high microbial activity because of sugars, |
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–Produce hormones that stimulate plant growth
–Produce antibiotics that protect roots from disease
–Absorb toxic metals
–Make nutrients more available to roots |
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| genetically modified plant to express genes of another organism |
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| transfer and amplify signals from receptors to proteins that cause responses |
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| a plant’s response to light |
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| any chemical that promotes elongation of coleoptiles |
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Definition
| stimulate cytokinesis (cell division) |
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| Gibberellins stimulate growth of leaves and stems |
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-chemically similar to the sex hormones of animals
-induce cell elongation and division in stem segments |
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Definition
Slows growth
Seed dormancy |
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slowing of stem elongation
thickening of the stem
horizontal growth |
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| the programmed destruction of cells, organs, or whole plants |
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Term
| apoptosis is caused by... |
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Definition
burst of ethylene
(one bad apple ruins the bunch) |
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