| Term | Definition |
| ABIOTIC
not
living
factor | |
| ABIOTIC FACTORS
not
living
factor | |
| ACIDS
rain
base
pH | |
| ACID RAIN
precipitation
base
pH | |
| ACQUIRED CHARACTERISTICS
lamarck
darwin
cut | |
| ACQUIRED IMMUNITY
antibody
mother
make | |
| ACTIVATION ENERGY
reaction
chemical
start | |
| ACTIVE IMMUNE RESPONSE
yourself
antibody
make | |
| ACTIVE SITE
enzyme
reaction
product | |
| ACTIVE TRANSPORT
Na
K
energy | |
| ADAPTATIONS
survive
animal
darwin | |
| ADAPTIVE RADIATION
species
finch
island | |
| ADHESION
water
polar
sticky | |
| AIDS
virus
disease
sex | |
| ALCOHOLIC FERMENTATION
yeast
alcohol
wine | |
| ALLELES
form
gene
trait | |
| AMINO ACIDS
protein
polypeptide
DNA | |
| AMNIOTIC FLUID
baby
sac
placenta | |
| AMNIOTIC SAC
baby
placenta
fluid | |
| ANAEROBIC RESPIRATION
without
breathing
cell | |
| ANALOGOUS STRUCTURES
ancestry
function
wings | |
| ANAPHASE
centromeres
chromatids
fibers | |
| ANAPHYLACTIC SHOCK
antigens
blood
membranes | |
| ANIMAL KINGDOM
eukaryotic
living
animals | |
| ANTHER
stamen
pollen
flower | |
| ANTI-CODON
amino
acid
sequence | |
| ANTIBIOTIC RESISTENT
mutation
bacteria
fight | |
| ANTIBODIES
Y
tissue
lymph | |
| ANTIBIOTICS
immune
sick
resist | |
| ANTIGENS
protein
vaccine
fight | |
| ANTITOXIN
passive
immune
response | |
| AQUIFERS
water
underground
rock | |
| ARISTOTLE
history
philosopher
thinker | |
| ARRHYTHMIA
heart
change
nerve | |
| ARTERIOLES
smaller
vessels
blood | |
| ARTIFICIAL SELECTION
false
traits
manipulated | |
| ASEXUAL PRODUCTION
mitosis
one
identical | |
| AUTOIMMUNE RESPONSE
against
destructive
rheumatoid | |
| AUTOSOMAL GENE
X
Y
not | |
| AUTOTROPHIC
own
producers
photosynthesizers | |
| BACTERIUM
microscopic
simple
prokaryote | |
| BASES
pH
acid
scale | |
| BENTHIC
bottom
ocean
top | |
| BINOMIAL NOMENCLATURE
two
name
system | |
| BIOCONTROL
natural
pest
insect | |
| BIODIVERSITY
life
different
island | |
| BIOGEOCHEMICAL CYCLES
carbon
nitrogen
circle | |
| BIOGEOGRAPHY
life
distribution
world | |
| BIOMAGNIFICATION
bigger
life
toxin | |
| BIOMES
geographic
life
desert | ` |
| BIOREMEDIATOR
life
help
fix | |
| BIOTECHNOLOGY
life
DNA
fix | |
| BIOTIC
living
ecosystem
relation | |
| BIOTIC FACTORS
living
ecosystem
weather | |
| BIPEDALISM
2
feet
walk | |
| BLASTULA
embryo
ball
cell | |
| BLOOD FLOW
blood
artery
vein | |
| BLOOD PRESSURE
blood
pressure
hypertension | |
| BLOOD VOLUME
blood
volume
kidneys | |
| BOTANIST
plant
study
biology | |
| BOTTLENECK EFFECT
founder
genetic
population | |
| BRAIN
organ
round
lobe | |
| BRAINSTEM
part
top
head | |
| BUFFER
pH
acid
base | |
| CAMBIUM
plant
tissue
cork | |
| CANCER
disease
cells
sick | |
| CAPILLARIES
blood
vessel
tube | |
| CAPILLARY ACTION
tube
water
move | |
| CARBOHYDRATE
carbon
monosaccharide
energy | |
| CARBON CYCLE
carbon
compound
environment | |
| CARDIAC CYCLE
heart
beat
contract | |
| CARDIOVASCULAR SYSTEM
heart
blood
lungs | |
| CARNIVORES
meat
eater
dinosaur | |
| CARPEL
flower
petal
green | |
| CARRYING CAPACITY
population
maximum
death | |
| CELL BODY
neuron
axon
dendrite | |
| CELL CYCLE
replication
interphase
anaphase | |
| CELL MEMBRANE
outer
phospholipid
bilayer | |
| CELL THEORY
hypothesis
all
living | |
| CELL WALL
plant
membrane
hard | |
| CELLULAR RESPIRATION
mitochondria
ATP
photosynthesis | |
| CELLULOSE
plant
digestible
green | |
| CENTRAL VACUOLE
plant
middle
water | |
| CENTRIOLES
cell
division
metaphase | |
| CEREBELLUM
brain
head
lobes | |
| CERVIX
vagina
female
neck | |
| CHEMICAL EVOLUTION
methane
early
atmosphere | |
| CHEMOSYNTHESIS
make
bacteria
light | |
| CHEMOTHERAPY
cancer
cells
dead | |
| CHITIN
hard
exoskeleton
insect | |
| CHLOROPLAST
green
photosynthesis
plant | |
| CHOLESTEROL
artery
clogged
blood | |
| CHROMATIN FIBERS
DNA
cell
thread | |
| CILIA
hair
move
flagellum | |
| CLADES
group
classification
chart | |
| CLADOGRAM
group
classification
chart | |
| CLASS
school
domain
kingdom | |
| CLEAVAGE
cell
indent
mitosis | |
| CLIMAX COMMUNITY
last
plant
volcano | |
| CLONES
same
identical
copy | |
| COACERVATES
group
clump
cell | |
| CODOMINANT
mixing
alleles
phenotype | |
| CODON
mRNA
base
DNA | |
| COENZYMES
protein
help
reaction | |
| COEVOLUTION
species
evolution
darwin | |
| COFACTORS
compounds
factors
enzymes | |
| COHESION
water
sticky
xylem | |
| COMMENSALISM
ecology
together
living | |
| COMMUNITY
location
species
group | |
| COMPARATIVE EMBRYOLOGY
evidence
evolution
fetus | |
| COMPETITIONS
limited
medals
winning | |
| COMPLEMENTARY STRAND
dna
double helix
chains | |
| CONCLUSION
end
outcome
finish | |
| CONSUMERS
food
organism
predator | |
| CONTROL GROUP
experiment
group
untouched | |
| CONVERGENT EVOLUTION
DNA
island
species | |
| CROSS-FERTILIZATION
flower
sex
pollination | |
| CROSSING OVER
chromosome
gene
switch | |
| CYTOKINESIS
division
cell
mitosis | |
| CYTOPLASM
cells
filler
liquid | |
| CYTOSKELETON
skeleton
cells
bones | |
| CHARLES DARWIN
evolution
finches
scientist | |
| DATA
collect
experiment
analyze | |
| DECOMPOSER
dead
decaying
bacteria | |
| DENATURE
heat
pH
enzyme | |
| DENDRITE
axon
neuron
cell | |
| DENSITY DEPENDENT FACTORS
number
population
ecology | |
| DENSITY INDEPENDENT FACTORS
number
population
ecology | |
| DEOXYGENATED BLOOD
heart
no
vein | |
| DNA
nucleus
genes
chromosome | |
| DEPENDENT VARIABLE
Y
responding
effect | |
| DERMAL TISSUE
skin
middle
layer | |
| DESERTIFICATION
drought
water
dry | |
| DETRITIVORES
consumer
producer
dead | |
| DIASTOLE
contract
blood
pressure | |
| DIFFUSION
passive
high
low | |
| DIHYBRID CROSS
2
genetic
punnett | |
| DIPLOID
2
somatic
cell | |
| DNA FINGERPRINTING
forensic
evidence
hand | |
| DNA POLYMERASE
gene
enzyme
bacteria | |
| DNA REPLICATION
copy
interphase
S | |
| DOMAINS
classification
3
groups | |
| DOMINANT
recessive
gene
phenotype | |
| DYNAMIC EQUILIBRIUM
change
steady
gain | |
| EGG
sperm
female
gamete | |
| ELECTRON MICROSCOPE
small
light
tiny | |
| EMBRYO
fetus
zygote
uterus | |
| EMERGENT PROPERTIES
part
whole
characteristic | |
| EMIGRATION
leave
population
enter | |
| ENDONUCLEASES
enzyme
restriction
bacteria | |
| ENDOPLASMIC RETICULUM
rough
smooth
protein | |
| ENDOSYMBIOSIS
mitochondria
organelle
bacteria | |
| ENERGY TRANSFORMER
sun
photosynthesis
reaction
rate | |
| ENZYMES
reaction
rate
fast | |
| EPIDEMIOLOGISTS
study
disease
injury | |
| EPIDIDYMIS
sperm
testicle
tube | |
| EPIGENETICS
study
changes
organisms | |
| ESTROGENS
hormone
growth
female | |
| ESTUARY
tide
river
stream | |
| EUKARYOTES
cells
organelles
nucleus | |
| EUTROPHICATION
algae
lake
rotten | |
| EVOLUTION
adaptation
change
organism | |
| EXPERIMENT
hypothesis
test
trials | |
| EXPONENTIAL CURVE
graph
numbers
multiplying | |
| EXTINCT
gone
non
living | |
| EXTREMOPHILES
conditions
extreme
organism | |
| F1 GENERATION
parents
first
offspring | |
| FACILITATED TRANSPORT
ions
molecules
diffusion | |
| FALLOPIAN TUBE
egg
sperm
fertilization | |
| FAMILY
parents
offspring
procreation | |
| FATTY ACID
lipid
base
skinny | |
| FERTILIZATION
egg
sperm
tube | |
| FETUS
baby
growing
unborn | |
| FILAMENT
protein
rod
fiber | |
| FIT
adapted
of
survival | |
| FLAGELLA
tail
sperm
bacteria | |
| FLOWER
plant
pretty
female | |
| FOOD PYRAMID
triangle
energy
sections | |
| FOOD WEB
net
consumer
producer | |
| FOSSILS
preserved
skeleton
dead | |
| FOUNDER'S EFFECT
genetics
drift
population | |
| FRONTAL LOBE
brain
cerebral
front | |
| FRUIT
ovary
flower
plant | |
| FUNGI
mushroom
bacteria
pathogen | |
| GASTRULATION
embryo
reproduction
fertilized | |
| GEL ELECTROPHORESIS
DNA
electrical field
test | |
| GENE
DNA
traits
heredity | |
| GENE FLOW
alleles
movement
populations | |
| GENE GUN
transferring
transporting
DNA | |
| GENE POOL
population
diversity
interbreeding | |
| GENE THERAPY
corrective genes
inserting
disease | |
| GENETIC DRIFT
genotypes
population
evolution | |
| GENETIC ENGINEERING
technology
genes
DNA | |
| GENETIC RECOMBINATION
exchanging
process
meiosis | |
| GENETICALLY MODIFIED ORGANISMS
genetics
altering
recombination | |
| GENETICS
DNA
Mendel
code | |
| GENOME
DNA
genetic material
chromosome | |
| GENOTYPE
punnet square
traits
genetic code | |
| GENUS
taxonomy
classification
Kingdom | |
| GEOLOGISTS
expert
geology
Earth | |
| GLOBAL WARMING
hot
polar caps
greenhouse gases | |
| GLYCOGEN
tissue
polysaccharide
glucose | |
| GLYCOLYSIS
energy
breakdown
glucose | |
| GLYCEROL
sweet
colorless
glucose | |
| GnRH
hormone
pituitary gland
amno acids | |
| GOLGI APPARATUS
eukaryotic cells
proteins
organelle | |
| GRADUALISM
slow
evolution
change | |
| GREENHOUSE EFFECT
CO2
global
warming | |
| GROUND TISSUE
plant
between
vascular | |
| GROWTH
increase
size
older | |
| GUARD CELLS
stoma
opening
plant | |
| HABITAT
home
environment
domain | |
| HABITAT DESTRUCTION
rainforest
cut
trees | |
| HAPLOID
cell
single
chromosome | |
| HCG
human
pregnant
hormone | |
| HEART MURMUR
sound
blood
flow | |
| HELPER T CELL
white
blood
immune | |
| HERBIVORES
plants
vegetarian
grass | |
| HETEROTROPHIC
carbon dioxide
growth
inorganic | |
| HETEROZYGOUS
different
gene
2 | |
| HIGH HEAT OF VAPORIZATION
water
boil
hot | |
| HIGH SPECIFIC HEAT
boil
hot
low | |
| HIV
virus
infection
disease | |
| HOMEOBOX
homo
box
insect | |
| HOMEOSTASIS
balance
biological
feedback | |
| HOMOLOGOUS
same
function
organisms | |
| HOMOZYGOUS
same
two
allele | |
| ROBERT HOOKE
scientist
cells
microscope | |
| HYDROGEN BONDS
water
polar
oxygen | |
| HYDROPHILIC
water
fear
repel | |
| HYDROPHOBIC
water
hate
love | |
| HYPERTENSION
blood pressure
high
force | |
| HYPERTONIC
high
low
concentration | |
| HYPOTHESIS
scientific
prediction
statement | |
| HYPOTONIC
high
low
concentration | |
| IMMIGRATION
foreigner
population
movement | |
| IMPLANTATION
egg
uterus
put | |
| INCOMPLETE DOMINANCE
mix
blend
genes | |
| INDEPENDENT VARIABLE
nondependent
variable
X | |
| INDEX FOSSILS
evolution
rock
record | |
| INDICATOR SPECIES
genus
tell
environment | |
| INFLAMMATION
white blood cells
protect
redness | |
| INNATE DEFENSE
born
antibodies
mother | |
| INSECT VECTORS
mosquitos
cause
disease | |
| INSECTICIDES
poison
weed
plants | |
| INTERFERON
virus
nonspecific
fight | |
| INTERPHASE
division
cells
meiosis | |
| INVASIVE SPECIES
nonnative
dangerous
alien | |
| ISOTONIC
muscle
contraction
normal | |
| KARYOTYPE
cell
nuclei
chromosome | |
| KEYSTONE SPECIES
otter
environment
important | |
| KILLER T CELLS
die
immune
body | |
| KINGDOM
territory
domain
environment | |
| LABOR
moms
bird
work | |
| LACTIC ACID FERMENTATI0N
anaerobic
bacteria
yogurt | |
| JEAN BAPTISE LAMARCK
giraffe
evolution
neck | |
| LARVAL FORMS
immature
shape
insect | |
| LAW
obey
follow
enforce | |
| LAW OF INDEPENDENT ASSORTMENT
Mendel
gene
separate | |
| LAW OF SEGREGATION
Mendel
gene
chromosome | |
| LEAF
green
plants
decoration | |
| ANTON VAN LEEUWENHOEK
microscope
cell
scientist | |
| LEUKOCYTES
white
blood
cells | |
| LIGHT DEPENDENT REACTIONS
dark
photsynthesis
plant | |
| LIGHT INDEPENDENT REACTIONS
dark
photsynthesis
plant | |
| CAROLUS LINNAEUS
classification
genus
scientist | |
| LIPIDS
fat
glycerol
organic | |
| LIVING FOSSILS
dead
rock
dinosaurs | |
| LOCK AND KEY
enzyme
fit
model | |
| CHARLES LYELL
Darwin
geology
earth | |
| LYSOSOMES
enzyme
cell
organelle | |
| MACROMOLECULES
lipid
protein
carbon | |
| MACROPHAGES
cell
eat
bacteria | |
| THOMAS MALTHUS
Darwin
math
friend | |
| MEDULLA OBLONGATA
brain
bottom
stem | |
| MEIOSIS
gamete
sex
cell | |
| MEMBRANE-BOUNDED ORGANELLES
ribosome
wall
mitochondria | |
| GREGOR MENDEL
pea
father
genetics | |
| MERISTEMATIC TISSUE
grow
plant
nose | |
| MESSENGER RNA
nucleus]
transcription
copy | |
| METAPHASE
middle
chromosome
cell | |
| MICROFILAMENTS
small
protein
strands | |
| MICROSPHERES
small
circle
cell | |
| MICROTUBULES
small
protein
sticks | |
| MITOCHONDRIA
power
cell
energy | |
| MITOSIS
anaphase
metaphase
cell | |
| MONOHYBRID CROSS
one
trait
gene | |
| MONOMER
simple
sugar
one | |
| MONOSACCHARIDES
one
sugar
glucose | |
| MORTALITY
die
death
rate | |
| MORULA
ball
cells
embryo | |
| MULTIPLE ALLELES
blood
type
many | |
| MUTATIONS
Order
Changes
DNA | |
| MUTUALISM
Both
Organisms
Benefit | |
| NATURAL IMMUNITY
cell
against
fight | |
| NATURAL KILLER CELLS
fight
against
cell | |
| NATURAL SELECTION
Evolution
Organisms
Chosen | |
| NATURALIST
animal
plant
study | |
| NEURON
Cells
Brain
Signal | |
| NEUROTRANSMITTER
axon
acetylcholine
chemical | |
| NEURULATION
embryo
fold
tube | |
| NICHE
Herbivore
Predator
Ecosystem | |
| NODE
Segmented
Body
Organism | |
| NONSELF
me
my
auto | |
| NONSPECIFIC ATTACK
fight
immune
antibody | |
| NUCLEAR ENVELOPE
membrane
chromosome
middle | |
| NUCLEIC ACIDS
Macromolecule
Molecule
Four | |
| NUCLEOLUS
Round
Middle
Cell | |
| NUCLEOTIDES
Bases
Chains
Units | |
| NUCLEUS
Center
Cell
Round | |
| NUCLEAR DNA
chromosome
cell
middle | |
| OCCIPITAL LOBE
Vision
Brain
Signal | |
| OMNIVORES
Plant
And
Animals | |
| OPPORTUNISTS
advantage
bacteria
infect | |
| OPTIMUM RANGE
best
high
low | |
| ORDER
Type
Class
Group | |
| OSMOSIS
high
low
water | |
| OVARY
Egg
Sack
Fallopian | |
| OVIDUCT
fallopian
tube egg | |
| OVULES
Egg
Seed
Fertilization | |
| OXYGENATED BLOOD
artery
vein
red | |
| OZONE DEPLETION
atmosphere
decreasing
layer | |
| P GENERATION
Mendel
cross
genetic | |
| PALEOANTHROPOLOGIST
study
fossils
human | |
| PALEONTOLOGIST
fossil
past
digging | |
| PANSPERMIA
all
male
egg | |
| PARASITISM
damage
parasite
one | |
| PARIETAL LOBE
behind
the
frontal lobe | |
| PASSIVE IMMUNE RESPONSE
active
cell
infection | |
| PASSIVE TRANSPORT
high
low
molecule | |
| LOUIS PASTEUR
milk
living
scientist | |
| PATHOGENS
cause
disease
infection | |
| PCR
polymerase
chain
reaction | |
| PENIS
vas deferens
scrotum
testicle | |
| pH
base
acid
scale | |
| PHAGOCYTOSIS
eat
cell
bacteria | |
| PHENOTYPE
gene
physical
DNA
gene
genotype
dna | |
| PHLOEM
plant
sugar
transport | |
| PHOSPHOLIPID
2
layer
membrane | |
| PHOTOSYNTHESIS
sunlight
food
chlorophyll | |
| PHYLA
genus
species
classification | |
| PHYLOGENY
classfication
tree
family | |
| PIONEER PLANTS
first
lichen
succession | |
| PISTIL
female
flower
sex | |
| PITUITARY
gland
hormone
brain | |
| PLACENTA
baby
mother
pregnant | |
| PHYLUM
kingdom
class
taxonomy | |
| PLANTS
leaves
stem
flower | |
| PLASMA CELLS
B
white
antibody | |
| PLASMIDS
bacteria
DNA
recombinant | |
| POLAR
wtaer
molecule
uneven | |
| POLAR BODIES
egg
cell
die | |
| POLYGENIC
many
trait
color | |
| POLYMERS
many
mono
starch | |
| PONS
brain
medulla
stem | |
| POPULATION
group
majority
amount
group
majority
amount | |
| PRIMARY SUCCESSION
lichen
first
island | |
| PRODUCERS
create
own
food | |
| PROGESTERONE
uterus
hormone
female | |
| PROKARYOTES
cell
primitive
nucleus | |
| PROPHASE
meta
first
mitosis | |
| PROSTATE GLAND
male
semen
reproductive | |
| PROTEIN
amino
acid
peptide | |
| PROTEIN SYNTHESIS
make
amino
ribosome | |
| PROTISTA
algae
cell
kingdom | |
| PSEUDOSCIENCE
fake
false
study | |
| PULSE
heart
beat
wrist | |
| PUNCTUATED EQUILIBRIUM
evolution
comma
period | |
| PUNNETT SQUARE
genotype
phenotype
gene
genotype
phenotype
gene | |
| RADIOISOTOPE DATED
carbon
fossil
music | |
| RECESSIVE
dominant
gene
Mendel | |
| RECOMBINANTS
DNA
bacteria
plasmid | |
| RELATIVE DATING
absolute
fossil
age | |
| REPRODUCTION
sex
eggs
sperm | |
| RESISTANCE
antibiotic
bacteria
evolve | |
| RIBOSOMES
protein
endoplasmic
free | |
| ROUGH ENDOPLASMIC RETICULUM (RER)
bumpy
ribosome
highway | |
| SALTWATER INTRUSION
drinking
ocean
water | |
| SCANNING ELECTRON MICROSCOPE
Cell
light
tiny | |
| SCROTUM
testis
male
sack | |
| SECONDARY SUCCESSION
lichen
primary
plant | |
| SEED
plant
flower
grow | |
| SELECTIVELY PERMEABLE
some
pass
membrane | |
| SEMINAL VESICLE
male
sex
testes | |
| SEX-LINKED
X
chromosome
disease | |
| SMOG
pollution
California
air | |
| SMOOTH ENDOPLASMIC RETICULUM
rough
ribosome
cell | |
| SOMATIC GENES
sex
trait
chromosome | |
| SPECIES
homosapien
organism
living | |
| SPECIFIC ATTACK
fight
bomb
particular | |
| SPERM
male
reproductive
cell | |
| SPONTANEOUS GENERATION
life
origin
Pasteur | |
| SPORES
reproductive
cell
fungus | |
| STAMEN
plant
reproductive
pistol | |
| STARCH
poly
sugar
potato | |
| STEM
green
plant
middle | |
| STEROID
illegal
muscle
body builder | |
| STIGMA
pistil
sticky
top | |
| STOMATA
opening
leaf
guard | |
| STRATA
layer
fossil
rock | |
| STYLE
stigma
ovary
middle | |
| SUBSTITUTION
replace
teacher
change | |
| SUBSTRATE
enzyme
product
react | |
| SUCCESSION
primary
secondary
lichen | |
| SUPPRESSOR T CELLS
white
immune
stop | |
| SURFACE TENSION
water
properties
insect | |
| SUSTAINABILITY
ecology
environment
maintain | |
| SYNAPSE
neuron
junction
gap | |
| SYSTEMATIC
process
organize
order | |
| SYSTOLE
blood
pressure
contract | |
| TAXA
classification
group
Linaeus | |
| TAXONOMY
classfication
system
kingdom | |
| TELOPHASE
anophase
cell cycle
prophase | |
| TEMPERAL LOBE
brain
occipital
skull | |
| TESTIS
sperm
male
sex | |
| TESTOSTERONE
male
hormone
sex | |
| TETRADS
four
chromosome
meiosis | |
| THEORY
idea
law
scientific | |
| THERMOPHILES
bacteria
heat
love | |
| TRANSCRIPTION
mRNA
nucleus
DNA | |
| TRANSDUCTION
bacteria
virus
DNA | |
| TRANSFORMATION
smooth
rough
bacteria | |
| TRANSGENICS
different
organism
DNA | |
| TRANSLATION
protein
DNA
RNA | |
| TRANSMISSION ELECTRON MICROSCOPE
small
enlarge
light | |
| TRANSPIRATION
water
vapor
leaf | |
| TRANSPORT
move
xylem
phloem | |
| TRIGLYCERIDES
fatty acid
lipid
polymer | |
| TROPHIC LEVELS
ecology
energy
producer | |
| tRNA
transport
dna
gene | |
| TUMORS
cancer
lump
mass | |
| UMBILICAL CORD
baby
female
pregnant | |
| UMBRELLA SPECIES
rain
genus
under | |
| UNIVERSAL CODES
bacterial
all
cell | |
| UNIVERSAL SOLVENTS
water
alcohol
salt | |
| URETHRA
urine
semen
penis | |
| UTERUS
female
fetus
pregnant | |
| VACCINATION
prevent
shot
disease | |
| VACUOLES
hole
cell
middle | |
| VAGINA
female
penis
opening | |
| VARIATION
difference
sex
species | |
| VAS DEFERENS
tube
male
sperm | |
| VASCULAR TISSUE
xylem
phloem
plant | |
| VEINS
artery
blood
flow | |
| VESTIGIAL STRUCTURES
fossil
evolution
evidence | |
| VISCOSITY
thick
flow
blood | |
| CHARLES WALLACE
friend
darwin
evolution | |
| WATER CYCLE
rain
snow
evaporate
precipitation
evaporation
water | |
| JAMES WATSON
crick
DNA
discover | |
| XYLEM
vascular
phloem
tissue | |
| ZYGOTE
egg
sperm
fertilization | |