spleen
liver
bone marrow
thymus
RBC
Blood platelets
Plasma
Phagocytes
grass land
desert
forest
snow clad mountains
fruit
aril
stigmas and tops of styles
tender leaves and sprouts
ornaments
scattering sound waves
collect sound waves
beauty
Tuberculosis
Typhoid
Cholera
Mumps
plants
animals
weeds
one pest by another
Bacteria
Fungus
Protozoa
Nematode
antibodies
antigens
antitoxin
enzymes
shore line
littoral zone
continental shelf
estuary
10
20
30
Plenty
plants found in fresh water
plants growing in saline conditions
mesophytic plants
desert plants
Equatorial region
Temperate region
Alpine region
Arctic region
Landsteiner
TH Morgan
William Harvey
Darwin
egglaying
pouched
placental
Volant
shoot tip produces growth hormones
shoot tip contains meristematic cells
shoot tip is the growing part
the plant dies
Gregor John Mendel
Thomas Hunt Morgan
Barbara McClintock
Watson and Crick
bile
lymph
plasma
blood
Egg - adult
Egg - nymph - adult
Egg - larva - pupa - adult
young one adult
cells divide rapidly under the influence of drugs
cancer cells spread through the blood or lymphatic system to other sites or organs
the chromosomes in cell nuclei are attached to the spindle before moving to the anaphase poles
cance cells are successfully inhibited to divide any futhere
Wallace
Lamarck
Malthus
Mendel
Indole Acetic Acid
Kinetin
Cytokinin
Gibberellin
release oxygen
release carbon dioxide
release oxygen and carbon dioxide simultaneously
take oxygen and give out carbon dioxide
crop plants
fruit trees
cattle
human beings
virus
bactena
fungus
animal
starch
oils
fat
protein
A
B
C
D
a chain reaction
reversible reaction
reflex action
no reaction
serum
blood concentrate
lymph
antibody component
machine
transplant
another's kidney
other kidney form same body