|
Animal
|
Asexual
Reproduction
|
Sexual
Reproduction
|
|
Porifera
|
budding, gemmules
|
hermaphrodites;
external fertilization
|
|
Cnidaria
|
budding
|
hermaphrodites;
external fertilization
|
|
Platyhelminthes
|
regeneration
(planaria)
|
hermaphrodites
(planaria); parasites have complex sexual
lifestyles
|
|
Nematoda
|
|
separate sexes (female
is larger); internal fertilization
|
|
Annelida
|
|
hermaphrodites;
clitellum produces mucus; internal
fertilization
|
|
Gastropoda
|
|
terrestrial:
hermaphroditic. aquatic: separate sexes, internal
fertilization
|
|
Bivalvia
|
|
separate sexes;
external fertilization
|
|
Cephalopoda
|
|
separate sexes;
internal fertilization
|
|
Echinodermata
|
regeneration
|
separate sexes;
external fertilization
|
|
Crustacea
|
|
separate sexes;
internal fertilization
|
|
Arachnida
|
|
separate sexes;
internal fertilization
|
|
Insecta
|
|
separate sexes;
internal fertilization
|
|
Chondrichthyes
|
|
separate sexes;
internal fertilization; ovoviviparous
|
|
Osteichthyes
|
|
separate sexes;
external fertilization
|
|
Amphibia
|
|
separate sexes;
external fertilization
|
|
Reptilia
|
|
separate sexes;
internal fertilization; amniote egg laid outside
body
|
|
Aves
|
|
separate sexes;
internal fertilization; amniote egg laid outside
body
|
|
Mammalia
|
|
separate sexes;
internal fertilization; young develop in
uterus
|