die immediately
start dividing
will remain undivided
transform into a tadpole at a faster rate
B. start dividing
ova
sperm
both and
primary spermatogonia
fertilized egg
spermatozoa
unfertilized egg
egg membranes
holoblastic
meroblastic
diploblastic
triploblastic
ectoderm
endoderm
mesoderm
ecto and mesoderm
die immediately
start dividing
will remain undivided
transform into a tadpole at a faster rate
direct ontogenic development
indirect ontogenic development
chordates
embryogenesis in mammals
neurulation
tubulation
crania tion
none of these
vitellogenesis
oogenesis
spermatogenesis
fertilization
monoecious
dioecius
intersexual
hermaphrodites
3
8
4
12
epiboly
emboly
both and
delamination
Spider
Crow
Honeybee
Earthworm
ectoderm
meso derm
somatic mesoderm and endoderm
splanchnic mesoderm and ectoderm
enlarges in size
decreases in size
retains the same size at the beginning
gradually enlarges in size
primary oocyte stage
secondary oocyte stage
ootid stage
matured ova stage
ovulation
fertilization
implantation
entry of sperms into vagina
epiboly
emboly
morphogenetic movements
involution
primary oocyte
secodnary oocyte
ootid
gonocyte
early blastula
late blastula
early gastrula
lategastrula
parthenogenesis
parthenocarpy
polyembryony
paedogenesis
ovuation
placentation
gestation
parturition
centrolecithal
microlecithal
mesolecithal
telolecithal
flagellum
acrosome
sperm lysins released from the acrosome
mitochondira located at the middle piece
disappearance of tail
food habit becoming carnivore
land habit
excretion beocmes mesonephric
spermiation
spermiogenesis
spermatogenesis
androgenesis
Proteins
Nucleoplasm
DNA
RNA
hyaluronidase
hyaluronic acid
androgamone
cryanogamone
one cell
100 cells
1000 cells
10000 cells
a cord between mother and foetus
place of attachment in uterus wall where exchange of material between mother and foetus takes place
outer covering of foetus
allantoic part of the uterus
copulation
amphimixis
syngamy
amplexus