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A
absorption
abundance
adaptation
adapted
aerobic respiration
air sac
alimentary canal
allele
amino acid
amniotic sac
amylase
anaerobic bacteria
anaerobic respiration
ancestral wild varieties
animal plankton
antarctic
anther
antibiotic
antibody
aphid
apparatus
artery
artificial propagation
atmosphere
atmospheric pollution
B
bacteria
bacterium
bar graph
beetle
biodiversity
biological washing powder
blood cell
blood plasma
bloodstream
blood supply
blood vessel
body fat
bone
bone marrow
bone strength
breeds
brewing beer
broad bean
bronchi / bronchus
bronchiole
bud
bulb
buttercup
C
cabbage
camouflage
capillary
capillary in skin
capillary network
carbohydrate
carpel
carrier
catalase
cell
cells
cell membrane
cell structure
cellular process
cell wall
cereal products
chlorophyll
chloroplast
chromosome
circulatory system
clone
co-dominant
commercial and industrial users
component
conclusion
conservation
constriction
continuous variation
control
crossed
cultivation
cygnet
cytoplasm
D
daisy
dandelion
decrease
degradation
deoxygenated blood
desired product
destarch
diabetes
diagram
diaphragm
diffusion (gas)
diffusion (liquid)
digestion
digestive enzyme
digestive system
dilation
discontinuous variation
disease
dispersal
DNA
dominant
dough
E
eardrum
earthworm
ecosystem
electrical impulse
embryo
endangered
energy for growth
environmental factor
environmental impact
enzyme
evaporated milk
evolution
exercise
exhalation
external fertilisation
extinct
F
factor
fat
fat molecule
fermentation
fermentation vessel
fermenter
fertile offspring
fertilisation
fertiliser
fibre
finger joint
finger and stopwatch
fitness
flaccid
flask
flatworm
foetus / fetus
food breakdown
food chain
food web
fox
frog
fungal cell
fungicide
fungus
G
gamete
gas exchange
gasohol
gene
generation
genetic engineering
genetic modification
genetic mutation
genotype
germinating pea
germination
greenhouse
gullet
H
habitat
hardening of arteries
heart attack
heart chamber
heart rate monitor
heart valve
heat production
herbivore
heterozygous
high blood pressure
homozygous
hormone
hybrid
hypertonic
hypothermic
hypothesis
hypotonic
I
identical genetic material
increase
inflammation
inhalation
inherited
insecticide
insulin
internal fertilisation
intestine - large
intestine - small
invertase
invertebrate
isotonic
J
jawbone
K
key
kidney nephron
kill
krill
L
lactic acid
lactose
larva
leaf
lettuce
leukaemia
level of atmospheric pollution
lichen
light intensity
limiting factor
liver
living cell
living organism
loam
lung
lung volume
lymphocyte
M
macrophage
malted barley
mammal
material
meat
meiosis
menstrual cycle
microbe
microorganism
microscope
middle ear
milk - evaporated
motor neurone
mouse
muscle
muscle contraction
muscle fatigue
mustard
mutation
N
native
nectar
nephron
nocturnal
non-biological washing powder
nuclear fuel
nucleus
nutrient
O
oatmeal
obese
offset
optimum
organ
organic waste
organism
osmosis
oval window
ovary / ovaries
ovules (plant)
ovum
oxygen
oxygenated blood
P
pancreas
pasteurised
pea plant
pea pod
peak flow
peat
pelleted seed
penis
pepsin
peptide
period
pesticide
petri dish
phenotype
phloem
photosynthesis
pie chart
pigment
pitfall
placenta
plant cell
plant plankton
plant propagation
plantain
plantlet
plasmolysed cell
poisoning
pollen
pollination
pollution (atmosphere)
polydactyl
population
predator
prey
protein
puberty
pulse rate
pulsometer
punnet square
Q
quadrat
R
rate of absorption
rate of production
recessive
red blood cell
relationship
reliable result
rennet
reproduction
respiration
resting pulse
roots
root cell division
rooting
rooting compound
runner
S
saliva
sampling technique
sand eel
sea lion
seal
seasonal
seed coat
seed mass
selective breeding
sensory neurone
sewage
sex
sex determination
shrimp
skin capillary
skin cell
snail
species
sperm
sperm cell
sperm production
sperm whale
spider
stain removal
stamen
starch
stem cell
sterilise
stigma
stoat
stomach
structure
substance
sulphur dioxide
survival
sweat
T
tendon
testes / testicles
tidal volume (lung)
tissue
trachea / windpipe
transmission of disease
transport of oxygen
transport system (plants)
trend
U
umbilical cord
underweight
ungerminated
untreated blood
urine
uterus
V
vacuole
vagina
valid comparison
valve
variation
vein
vertebrate
virus
W
wheatmeal
windpipe
wolf
woodland
woodlouse
X
xylem
Y
yeast
Z
zygote