Tiere - Tierreproduktion

the ability of a living organism to produce a large number of offspring or viable eggs or seeds

Fruchtbarkeit

a sexual orientation characterized by a lack of sexual attraction or desire for sexual activity

Asexualität

a type of reproduction where a single organism can produce offspring without the involvement of another organism

asexuelle Fortpflanzung

(of birds, fish, etc.) to come out of an egg

schlüpfen

the process of mating animals, plants, or microorganisms with desirable characteristics to produce offspring with those same traits

Zucht

the eggs that an aquatic animal or an amphibian lays and are covered with a transparent layer

Laich

(of a bird, insect, fish, etc.) to produce eggs

legen

(of an animal) to have sex and give birth to young

züchten

a young form of an insect or an animal that has come out of the egg but has not yet developed into an adult

Larve

to introduce male reproductive cells (sperm) into the female reproductive system to unite with the female reproductive cell (egg)

befruchten

the stage of the metamorphosis that comes between the larval and adult stages of a moth or butterfly

Puppe

a male sex hormone, such as testosterone, that is responsible for the development and maintenance of male characteristics in humans and animals

Androgen

(of animals) to have sex for breeding or reproduction

paaren

an amphibian in the larval stage

Kaulquappe

the union of a sperm and an egg to form a zygote, which marks the beginning of sexual reproduction in organisms

Befruchtung

the parents, grandparents and the ancestors of an animal that are all purebred, or a certificate that proves this

Stammbaum

to remove the sexual organs of a female animal, called ovaries

kastrieren

the inability of a person, animal or plant to reproduce

Unfruchtbarkeit

a person or animal that produces offspring through reproduction

Züchter

to make an animal or plant breed with a different type; to breed with a different animal or plant

kreuzen

to remove the sex organs of a domestic animal in order to keep it from reproduction

kastrieren

a hen that sits on her eggs with the intention of hatching them

brütende Henne

to keep an egg in a favorable condition to help it develop until it hatches

inkubieren

all the young of a bird hatched at the same time, or the young of an animal cared for together

Brut

the eggs laid by a frog, covered in a jelly-like mucus

Froschlaich

to give birth to a calf (a young bovine animal)

ein Kalb zur Welt bringen

the young wormlike larva of an insect

Larve

an insect which is in an inactive transitory stage of its metamorphosis, between the larval and adult stages

Puppe

to give birth to a litter of piglets

Ferkel werfen

the caterpillar of a silk moth that forms a cocoon during metamorphosis, which is later processed into silk

Seidenspinner

incapable of reproducing or having children

unfruchtbar

an amphibian in larval stage; a tadpole

Kaulquappe

to produce or to give birth to a young horse or pony

fohlen

a special cell used for reproduction, with sperm cells being the male gametes and egg cells being the female gametes

Gamete

to carry a developing embryo or fetus inside the uterus of a female mammal until it is ready to be born

tragen

an organism that has both male and female reproductive organs

Hermaphrodit

to fertilize an egg and make it capable of developing into an embryo

befruchten

to give birth to a lamb, usually used in reference to sheep

lammeln

to produce offspring sexually, typically involving the union of male and female reproductive cells

fortpflanzen

(of a living being) to produce offspring or more of itself

sich fortpflanzen

to give birth to puppies or young dog

welpen gebären

ancestors of an animal, particularly while referring to the good characteristics that it has inherited from them

Blutlinie

to engage in sexual reproduction or mating

paaren

to go through a period of sexual activity or sexual aggression, especially in certain animals during their mating season

brunstig sein

the time between exposure to a pathogen and the onset of symptoms

Inkubationszeit

to beget, procreate, or father offspring, typically used in reference to male animals

zeugen

to introduce semen into the reproductive system, often by artificial means

inseminieren

the smallest and most motile cells in the male reproductive system responsible for fertilizing the female egg

Spermium

the recurring period of sexual receptivity and fertility in female mammals

Östrus

an oval or rounded object laid by birds, reptiles, fish, or certain invertebrates as part of their reproductive process

Ei