Summary Reproduction in lower and higher animals.

2.
Reproduction in lower and
Higher animal
F-enualtyts
sexually Reproducing
Reproducing animal animal
e.
g→ Hydra eog Human , mammals .




Reproduction
"
formation of life from similar life ?
new
pre-existing
-




Helps
-




life
in
continuing new .




Ttypesw
^
Asexual sexual
without
gametes emolument of
•




gametes
•




→
variations
↳ Reproductive
•

NO •
variation ✓ cell

Haploid
sexual Reproduction in animals : -




⑨



}
to fem⑧
a
germ cell An) germ cell can] pre fertilization
-




meiosis { to
sperm cm
to
•
phase
gametogenesis and

→←
⑧ zygote ovwmlntfpgygi.zaa.cn gamete transfers
Bhutan of male/female
mitosis
€ b. → Post
gametes
fertilization
-




embryef-B.a.by ( formation of
zygote ,



animal show Two phases embryogenesis
Breeders
puerile Reproductive µ
phase maturity phase continuous
seasonal
after physical growth
physical growth occurs
• •



goat Humans
-
-




growth of
•




starting from Biggin
sesh
organ occurs
sheep
•



apes
-
-




produce sexually
•


cannot do Reproduction can
Donkey
-
•

, thunm-mboducti.cn:0
Theirs
process involves sequentiealsteps
formation of gametes
Gametogenesis
•
→

sperm is inside -
going insemination
fusion of male /female
•



vagina
Internal fertilization
•
→
gametes
formation of ✓
•



zygote formation
uggote formation of
embryogenesis embryo can]
•
-




Development of E-
•

gestation through mitosis

embryo to Bothy parturition →
•




pregnancy
→

.




Primatology
characters
secondary sexual :-
•
Testis
C. sexual organ
Dimorphic characters ]
^
male female

presence of beard development of Breast
-

-




moustache Broader pelvis
-
-




Hair in chest
-




High pitched voice
-




muscular body
-




adams apple
-




AH Repro# systems -




organ ②gonad$
consists of male called testes
-




primary
forms external and
-




internal genitalia .




portly Testes
µp⑧-• -
Deferense




I!:÷÷•:÷}
• vas


single
↳ epididymis

cowpens gland aroma