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REPRODUCTIVE SYSTEM :
I. Male Reproductive System :
One pair of testis are attached to the upper part of kidney by the help of membrane mesorchium. Sperms are formed in testis by spermatogenesis. At the time of copulation, this sperm enter into bidder canal from the testis by 10 to 12 small ducts. These ducts are called Vasa-efferentia. This bidder canal opens into cloaca through the urinogenital duct. Sperms are ejected out through the cloacal aperture.
II. Female Reproductive System :
One pair of ovaries are present on the upper pole of kidney & it opens into cloaca by a separate duct that is called oviduct, so, there is no connection between the ovaries & kidney.
Mature female can lay 2500 – 3000 ova at a time. At a time only one ovary eject ova. Fertilization is external. Its larva is called tadpole. Tadpole undergoes metamorphosis to form the adult.
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| 1. What is the reproductive system of a frog? |  |
Ans. The reproductive system of a frog consists of both male and female organs. In males, it includes testes, which produce sperm, and a cloaca, which is responsible for both excretion and reproduction. In females, it includes ovaries, which produce eggs, and a cloaca as well. During mating, the male frog releases sperm onto the eggs as they are laid by the female.
| 2. How do frogs reproduce? | |
Ans. Frogs reproduce through a process called external fertilization. The male frog grasps the female from behind in a behavior known as amplexus. As the female lays her eggs, the male releases sperm onto them, fertilizing them externally. The fertilized eggs are then left to develop and hatch into tadpoles.
| 3. What are the stages of frog reproduction? | |
Ans. Frog reproduction involves several stages. It begins with the male frog grasping the female in amplexus. The female then lays her eggs, usually in water. The male releases sperm onto the eggs to fertilize them. The fertilized eggs develop into tadpoles, which undergo metamorphosis to transform into adult frogs.
| 4. How long does it take for frog eggs to hatch? | |
Ans. The time it takes for frog eggs to hatch depends on the species and environmental conditions. Generally, it can take anywhere from a few days to a few weeks. Factors such as temperature and moisture levels can influence the hatching time. Warmer temperatures usually accelerate the hatching process.
| 5. Do all frog species have the same reproductive system? | |
Ans. While the basic reproductive system in frogs remains similar across different species, there can be variations. Some species may have different structures or adaptations to suit their specific habitats or reproductive strategies. For example, some tree frogs lay their eggs on leaves above water bodies, while others deposit their eggs directly into water.
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