Categorías: Todo - development - fertilisation - asexual - animals

por XuenYun Tan hace 12 años

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Reproduction in Animals

Animals reproduce through various methods, primarily categorized into sexual and asexual reproduction. Sexual reproduction involves the combination of genetic material from two parents, whereas asexual reproduction does not require such a combination.

Reproduction in Animals

reproduction of animals

Humans

male
penis

ejects sperms

urethra

where urine and sperms leave the body

sperm duct

coveys sperm to the uthera

testes

produces male sex hormones and sperms there

Female
parts

cervix

ring of muscles

ovary

releases matured ova and female sex hormones

oviduct

fertilisation takes place there

uterus(womb)

place where foetus develop

vagina

muscular tube which receives sperm during sexual incourse.t also.It is also the boirth canal for the baby.

methods

sexual
Budding
Binary Fission
Bacterium
Amoeba
axexual
budding

Yeast

Hydra

binary fission

paramecium

Paramecium

Sexual

External Development

Bird

Sparrow

Reptile

Tortoise

Insect

Dragonfly

Internal Development
Do not lay eggs

Zebra

External Fertilisation
Certain aquatic animals
Amphibian
Fish
Internal Fertilisation
Birds
Reptiles
Insects
Mammals

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