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Biology - Semester 2 - Plants
N/A
44
Biology
10th Grade
05/18/2010

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Term
Angiosperms
Definition
Flowering Plants
Term
Gymnosperms
Definition
Cone Bearing Plants
Term
Monocot
Definition
Has ONE seed leaf
Term
Dicot
Definition
Has TWO seed leaves
Term
Botany
Definition
The study of plants
Term
Sessile
Definition
Does not move - a characteristic of plants.
Term
Vascular
Definition
Has veins
Term
Herbaceous
Definition
Plants with soft fleshy stems, and are used for food.
Term
Phototropism
Definition
Positive response to light(moving towards it).
Term
Blade
Definition
The flat surface of the leaf.
Term
Petiole
Definition
The stem or stalk of the leaf.
Term
Pinnate
Definition
Veins branch from a single, central vein called the mid-rib.
Term
Palmate
Definition
Several large veins originate from the point where the petiole attaches the blade.
Term
Epidermis
Definition
Prevents water loss.
Term
Transpiration
Definition
The evaporation of water from stomates of the leaves.
Term
Tropism
Definition
Plant response to external stimuli.
1. Positive - move toward
2. Negative - Move away from
Term
Geotropism
Definition
The plants response to gravity.
1. Positive - Roots
2. Negative - Shoots
Term
Bud
Definition
Tissue that develops into a new flower, stem, or leaves.
Term
Bulb
Definition
Underground; short, fleshy STEM, surrounded by leaves.
Term
Corm
Definition
Underground; short, thick, fleshy: crocuses
Term
Rhizome
Definition
Underground, horizontal stem; "If you pick one they all come up"
Term
Stolon
Definition
Horizontal, above ground stem; produces new plant where it touches the ground.
Term
Tuber
Definition
Swollen, Underground - Potato
Term
Lenticels
Definition
Pores in the STEM fro gas exchange.
Term
Phloem
Definition
Carries starch(food)down, vascular tissue.
Term
Xylem
Definition
Carries water up, vascular tissue.
Term
Root
Definition
Stores starch, anchors plant, and absorbs nutrients
Term
Pollination
Definition
The transfer of pollen from an anther to a stigma.
Term
Anther
Definition
Produces pollen.
Term
Style
Definition
The neck of the pistil.
Term
Stigma
Definition
The sticky top of the pistil to trap pollen.
Term
Pistil
Definition
Female flower part.
Term
Stamen
Definition
Male flower part.
Term
Pedicel
Definition
Attaches the flower to the stem.
Term
Ovary
Definition
Holds eggs, and becomes the fruit.
Term
Germinate
Definition
To sprout into a new plant.
Term
Fruit
Definition
An enlarged ovary used for seed dispersal.
Term
Pollen
Definition
The sperm of plants.
Term
Ovule
Definition
The egg of plants.
Term
Stomata
Definition
The pores (openings) in leaves that are used for gas exchange.
Term
Fretilization
Definition
The union of male and female gametes to form a zygot.
Term
Leaf
Definition
The part of the flower that uses sunlight to make energy.
Term
Flower
Definition
The part of the plant used for reproduction.
Term
Stem
Definition
The part of the plant used to transport materials throught the plant. (up and down)
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