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PLANTS!!!!!
AP Biology PlantsPlantsPlants!!!!
19
Biology
10th Grade
01/23/2009

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Term
Bryophyte
Definition
Type of plant with no vascular system, true roots, or true leaves. Ex: mosses, hornworts
Term
Seedless Vascular Plants
Definition
Seedless Vascular Plants. Ex: ferns, quillworts
Term
Gymnosperms
Definition
Vascular plants with exposed seeds. Ex: pines, ginko
Term
Angiosperms
Definition
Vascular plants with flowers, fruit, and protected seeds. Ex: oaks, roses
Term
Chloroplasts
Definition
Plant-organelles that produce sugars through photosynthesis.
Term
Roots
Definition
Part of the plant that digs underground to anchor the plant and absorb nutrients and water from the soil.
Term
Shoots
Definition
Part of plant that reaches above ground to support leaves.
Term
apical meristems
Definition
the end of the roots and shoots from which additional branches grow
Term
xylem
Definition
vascular tissue that moves water and nutrients up the plant
Term
phloem
Definition
Vascular tissue that moves food made in the leaves throughout the plant.
Term
stomata
Definition
pores on the surfaces of leaves that allow for gas exchange
Term
cuticle
Definition
glossy covering on the surfaces of leaves that aid water retension
Term
Palisade Mesophyllic Cells
Definition
PMCs are elongated, column-like cells that have the most chloroplasts of all the cells in the leaves
Term
Spongy Mesophyllic Cells
Definition
SMCs are cells with large gaps in between them to allow for better circulation.
Term
Flower
Definition
Plant sex organ that has both male and female components
Term
pistil
Definition
female section of flower
Term
stamen
Definition
male section of plant
Term
stamen
Definition
male section of plant
Term
stigma
Definition
sticky tip of pistil to which male pollen spores attatch
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