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43 Cards in this Set
- Front
- Back
soil particles in order going from largest to smallest |
sand, silt, clay |
|
which ions are likely to interact with clay particles in soil |
magnesium and potassium |
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pericycle gives rise to what |
lateral meristem and lateral roots |
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the stems of some parasitic plant produce peg like projections called |
haustoria |
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saprophyte |
fungus |
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groups of soil particles held together by coloidal particles |
aggregates |
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most agricultural soil have ______ that stick together giving the soil structure |
aggregates |
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part of plant that produces new cells to form root nodules |
cortex |
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swollen underground buds with adventitious roots |
bulbs |
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tuber is a modified |
stem |
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what part of a monocot consitutes fiber |
vascular bundles |
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swollen modified stems usually found on the ends of rhizomes are called |
tubers |
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tumble weeds |
abcise |
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grasses make |
grains |
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functions of leaves |
photosynthesis and transpiration |
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androceium |
3rd whorl made of male parts stamens |
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gynoceium |
female repedouctive parts, carpel - innermost whorl |
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complete flower |
has all 4 whorls - sepals, petals, stamens, pistils |
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flower lacking one or more of the 4 whorls |
incomplete flower |
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flower having both stmens and carpels |
perfect flower |
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flower that lacks either stamens or carpels |
imperfect flower |
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reward for pollinators from plants |
nectar, food |
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fertilization occurs |
after pollination |
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transfer of pollen to anther (male part) to stigma of a carpel (female) |
pollination |
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spikes |
like raceme but flower are right on central axis |
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raceme |
flowers at end of petioles |
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umbels |
divided into pedicels and common in carrot family |
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spadix |
araceae - swollen |
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catkin |
upside down - common in wind pollinated species |
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what tissues give stems mechanical support |
collenchyma and sclerenchyma |
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herbaceous stem |
thin epidermis, green |
|
woody stem |
have wood produced by secondary xylem, bark, often biennials or perrenials |
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all stems have |
nodes, internodes, and axillary buds |
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banana is |
true berry |
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cauliflory |
botanical term referring to plants which flower and fruit from their main stems or woody trunks rather than from new growth and shoots. |
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locules |
chambers in carpels -contain ovules |
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dicot root ____ pith |
lack |
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dicot stems ______ endodermis |
lack |
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dicot stem ______ pith |
has |
|
pith is in |
monocot roots and dicot stems |
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itch inducing ingrediant in poison oak is |
urushiol |
|
urushiol oil is in |
plants leaves, stem, and roots - sticks to anything |
|
poison oak |
usually have leaves in sets of 3 -pinnately compound 3-5 leaflets - shiny leaves - not part of oak family |