Question:

Do fish have a penis?

Answer:

No, they have what is called an ovipositor, which is like a penis... AnswerParty 24/7

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Reproductive system

The reproductive system or genital system is a system of sex organs within an organism which work together for the purpose of reproduction. Many non-living substances such as fluids, hormones, and pheromones are also important accessories to the reproductive system.[dead link] Unlike most organ systems, the sexes of differentiated species often have significant differences. These differences allow for a combination of genetic material between two individuals, which allows for the possibility of greater genetic fitness of the offspring.


Male reproductive system

The reproductive system or genital system is a system of sex organs within an organism which work together for the purpose of reproduction. Many non-living substances such as fluids, hormones, and pheromones are also important accessories to the reproductive system.[dead link] Unlike most organ systems, the sexes of differentiated species often have significant differences. These differences allow for a combination of genetic material between two individuals, which allows for the possibility of greater genetic fitness of the offspring.


Sex organs

A sex organ or primary sexual characteristic, as narrowly defined, is any anatomical part of the body involved in sexual reproduction and constituting the reproductive system in a complex organism, especially the external sex organs; the external sex organs are also commonly referred to as the genitalia or genitals.

Flowers are the reproductive organs of flowering plants, cones are the reproductive organs of coniferous plants, whereas mosses, ferns, and other similar plants have gametangia for reproductive organs.


Ovipositor

The ovipositor is an organ used by some animals for oviposition, i.e., the laying of eggs. It consists of a maximum of three pairs of appendages formed to transmit the egg, to prepare a place for it, and to place it properly. In some of the insects the organ is used merely to attach the egg to some surface, but in many parasitic species (primarily in wasps and other Hymenoptera) it is a piercing organ as well. It is used by grasshoppers to force a burrow in the earth to receive the eggs and by cicadas to pierce the wood of twigs for a similar purpose. Both long-horned grasshoppers and sawflies cut the tissues of plants by means of the ovipositor. None of these examples is quite as remarkable as the wasp genus Megarhyssa, the females of which have a slender ovipositor (terebra) several inches long that is used to drill into the wood of tree trunks. These species are parasitic in the larval stage on the larvae of horntail wasps, hence the egg must be deposited directly into the host's body as it is feeding.

The sting of Hymenoptera (wasps, hornets, bees, and some ants) is also an ovipositor, in this case highly modified and associated with venom glands that are used to paralyze prey. This would allow eggs to be laid without the host fighting back, and probably also to suppress the host's immune system so that it can't destroy the eggs or shake off the paralysis. However, in virtually all stinging hymenopterans, the ovipositor is no longer used for egg-laying.


Oviposition

Oviparous animals are animals that lay eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, reptiles, all birds, the monotremes, and most insects, some molluscs and arachnids.

With more scientific rigor, five modes of reproduction can be differentiated based on relations between zygote and parents:


Human penis size

The most accurate measurement of the human penis comes from several measurements at different times since there is natural minor variability in size due to arousal level, time of day, room temperature, frequency of sexual activity, and reliability of measurement. When compared to other primates, including large primates such as the gorilla, the human penis is largest, both in absolute terms and in relative size to the rest of the body.

Measurements vary, with studies that rely on self-measurement reporting a significantly higher average than those with staff measuring. However, the mean of an erect human penis is approximately 12.9–15.0 cm (5.1–5.9 in) in length. Flaccid penis length is a poor estimate of erect length.


Deer penis

In traditional Chinese medicine, a deer penis (Chinese: 鹿鞭; pinyin: lù biān) is said to have important therapeutic properties.

The deer penis is typically very large and, proponents claim, for it to retain its properties it must be extracted from the deer while still alive. Often it is then sliced into small pieces, typically by women and then roasted and dried in the sun. In Angang, Taiwan, women are reported as consuming deer penis during pregnancy as it is said to have a fattening effect and to make the mother and child stronger.

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