动物 - 动物繁殖

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

肥沃

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

无性恋

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

无性繁殖

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

孵化

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

选育

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

卵

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

产卵

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

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

幼虫

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

施肥

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

蛹

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

雄激素

(of animals) to have sex for breeding or reproduction

交配

an amphibian in the larval stage

蝌蚪

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

受精

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

谱系

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

阉割

the inability of a person, animal or plant to reproduce

不育症

a person or animal that produces offspring through reproduction

饲养员

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

杂交

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

去势

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

布鲁迪

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

孵化

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

近交鸡

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

青蛙产卵

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

小牛

the young wormlike larva of an insect

蝤

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

蛹

to give birth to a litter of piglets

法罗

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

蚕

incapable of reproducing or having children

荒芜

an amphibian in larval stage; a tadpole

蝌蚪

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

产驹

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

配子

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

孕育

an organism that has both male and female reproductive organs

雌雄人

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

注入

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

羊肉

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

生育

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

通过交配繁殖

to give birth to puppies or young dog

下崽

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

世系

to engage in sexual reproduction or mating

联结

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

发情

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

潜伏期

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

繁殖

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

授精

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

精子

the recurring period of sexual receptivity and fertility in female mammals

发情

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

蛋