Section 1
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Taproots
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Last updated
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Date created
Mar 1, 2020
Cards (85)
Section 1
(50 cards)
Taproots
more spread out roots
Proton
positively charged particle
Rhizome (Modified Stem)
horizontal underground stem
molecules of life
carbohydrates, lipids, proteins, nucleic acids
Types of bonding
ionic, covalent, hydrogen
prop roots
roots that grow partially in the air and partially in the ground
guard cells
open and close stomata
blade
flat part of leaf
Node
region where leaves or branches arise
Tuber (modified stem)
thickened end of rhizome
periodic table
A table that shows the elements, their atomic number, symbol, and average atomic mass; elements with similar chemical properties are grouped together.
simple leaf
a leaf that has an undivided blade
mesophyll
Spongy tissue in the interior of the leaf where most chloroplasts are found.
Lenticels
A small raised area in the bark of stems and roots that enables gas exchange between living cells and the outside air.
petiole
the stalk of a leaf
Elements
Cannot be broken down into any other simpler substance
compound leaf
A leaf in which the blade is divided into two or more smaller leaflets
Monocot
parallel veins in leaves
Macromolecules
nutrient needed in large amounts ex. carbohydrate, proteins and lipids
plant anatomy
cells, tissues, organs
apical bud
A bud at the tip of a plant stem; also called a terminal bud.
Atoms
smallest unit of matter
storage roots
stores sugars and starches
Osmosis
Diffusion of water through a selectively permeable membrane 1.isotonic 2.hypotonic 3.hypertonic
axillary bud
bud found in the axil of the leaf: also called a lateral bud
venation
the arrangement of veins in a leaf
pheumatophores
Help the plant to "breathe"
building blocks of macromolecules
nucleic acids, sugars, amino acids, triglycerides
whorled leaf arrangement
Stolon (modified stem)
horizontal above ground, growing along the surface making new plants
opposite leaf arrangement
contractile roots
Pull plant deeper into soil
root hairs
tiny hair-like extensions that increase the surface area of the root allowing it to absorbs more water and nurtients
Scientific Method
A series of steps followed to solve problems including collecting data (observation), formulating a hypothesis, testing the hypothesis (experiment), getting results and stating conclusions.
internode
region of stem between nodes
alternate leaf arrangement
Electron
negatively charged particle
6 prevalent elements
C- carbon H- hydrogen O- oxygen N- nitrogen P- phosphorus Ca- calcium
valence electrons
electrons in the outermost shell
Bud scales (modified leaves)
woody plants, protects more delicate parts of the bud
Molecule
two or more atoms held together by covalent bonds
Neutron
no charge
fibrous root
very knitted roots
Meristem
cells all originating from regions of active cell division
Dicot
netted pattern
Bulb (modified stem)
shortened, flattened underground stem with overlapping leaves
Diffusion
Movement of molecules from an area of higher concentration to an area of lower concentration.
Thorn (modified stem)
sharp stem with no leaves
Micronutrients
nutrients needed in small amounts
epiphyte
a plant that uses another plant for support, but not for nourishment
Section 2
(35 cards)