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Science Terms
TAKS
95
Biology
11th Grade
04/12/2010
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Term
Carnivore
 Definition
Eats Meat Only
Term
Cilia
 Definition
Hairs on an organism that helps it to move
Term
Co-Dominance
 Definition
Traits of both parents are presented in the child
Term
commenalism
 Definition
i help you,you do nothing
Term
Competition
 Definition
When two spesies compete against each other
Term
Complete Dominance
 Definition
One domiant trait,one recessive trait
Term
Deletion Mutation
 Definition
when part of a gene of DNA is deleted
Term
Diffusion
 Definition
passage of a material across a membrane
Term
DNA
 Definition
Deoxyribonucleic acid
Term
Eukaryotic
 Definition
organism with a necleus
Term
Evolution
 Definition
slow change in genes of an organism over time
Term
Extinction
 Definition
when a species ceases to exist
Term
Flagellum
 Definition
Tail
Term
Gamete
 Definition
sex cells
Term
Genotype
 Definition
what the genes of an organism say
Term
Herbivore
 Definition
Eats plants only
Term
Homeostasis
 Definition
kepping a cell in equilbrium
Term
Immunity
 Definition
a resistance to a virus
Term
Incomplete Dominance
 Definition
traits of parents are blended
Term
Insertion Mutation
 Definition
when something is inserted into a gene of DNA
Term
Inversion mutation
 Definition
when two things switch places in a gene of DNA
Term
Meiosis
 Definition
division of a cell of an sex cell
Term
mitosis
 Definition
division of a cell
Term
mutlticellualr
 Definition
many cells in an organism
Term
mutation
 Definition
change in a the genetic code
Term
mutualism
 Definition
i help you, you help me
Term
nitrogen bases
 Definition
A,G,T,C
Term
nucleotides
 Definition
A,G,T,C
Term
omnivore
 Definition
eats meat and plants
Term
parasitism
 Definition
i help you,you hurt me
Term
Phentype
 Definition
what an organism look like
Term
photosynthesis
 Definition
way a plant makes food using sunlight
Term
Predation
 Definition
predator/prey relationship,i hunt you, you die
Term
Precipitaion
 Definition
rain,snow,sleet:stuff falling from the sky
Term
primary
 Definition
first level
Term
prokaryotic
 Definition
organism with no nucleus
Term
Replication
 Definition
making a copy of DNA
Term
RNA
 Definition
ribonucleic acid
Term
Secondary
 Definition
second level
Term
Sex-linked Dominance
 Definition
trait ia attached to X or Y chromosomes
Term
Single-celled
 Definition
a one celled organism
Term
Speciation
 Definition
when one species separates into other species
Term
Tertiary
 Definition
third level
Term
Transcription
 Definition
making RNA from DNA
Term
Translation
 Definition
making proteins from RNA
Term
Translocation mutation
 Definition
when part of gene of a DNA brakes off ans switches with another part
Term
Virus
 Definition
puts its DNA into a host cell
Term
Boiling point
 Definition
temperature at which a substance boils
Term
Buoyancy
 Definition
upward force a fluid exerts on an object
Term
Chemical Change
 Definition
where a new substance is produced
Term
Corrosive
 Definition
eats away at a substance
Term
Covalent bond
 Definition
bondd where electrons are shared between atoms
Term
Density
 Definition
how close together then molecules are
Term
Flammable
 Definition
can catch on fire
Term
Freezing point
 Definition
temperature at which a substance freezes
Term
Ionic bond
 Definition
bond where electrons are donated or taken
Term
Nonpolar Molecule
 Definition
molecules with no poles
Term
Oxidation
 Definition
to rust
Term
pH
 Definition
used to determine if a substance is an acid or base
Term
Phase
 Definition
solid,liquid,gas
Term
Physical change
 Definition
change how it looks but remains the same
Term
polar molecule
 Definition
molecules that has a poles
Term
products
 Definition
things you get out of a reaction
Term
reactants
 Definition
thing you put in a reaction
Term
solubility
 Definition
the amount of solute that can dissolve in a solvent
Term
solute
 Definition
stuff that dissolve
Term
toxic
 Definition
poisonous
Term
valence electrons
 Definition
electrons in the outer shell of the atom
Term
viscosity
 Definition
resistance of a fluid to flow
Term
absorption
 Definition
wave is absorbed and disappears
Term
acceleration
 Definition
change in velocity
Term
conduction
 Definition
heat transfer by direct contact of particles
Term
conservation of mass
 Definition
mass can not be created or destroyed
Term
convection
 Definition
heat transfer by currents
Term
diffraction
 Definition
wave in bent when it passes around an obstacles or through a hole in it
Term
inertia
 Definition
objectsd tend to keep doing what they were doing
Term
polarization
 Definition
elimination of all directions of light but one
Term
pressure
 Definition
force over area
Term
radiation
 Definition
heat tranfewr by electromagnetic waves
Term
reflection
 Definition
wave hits a barrier and bounces off
Term
refraction
 Definition
wave is bent it passes into a new substance
Term
resonance
 Definition
forced vibration
Term
accurate
 Definition
values of measurements are close to each other
Term
benefit
 Definition
good side of an occurrence
Term
binary
 Definition
involves two things
Term
control group
 Definition
group you don't do anything to in an experiment
Term
duplication
 Definition
make a copy
Term
fission
 Definition
to brake apart
Term
fusion
 Definition
to join together
Term
hydro
 Definition
involves water
Term
hypothesis
 Definition
educated guess
Term
moderate
 Definition
middle of the road
Term
precise
 Definition
value of a measurement close to the actual value
Term
synthersize
 Definition
make
Term
thrive
 Definition
do well
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