viviparity वाक्य
उदाहरण वाक्य
मोबाइल
- The first two of these modes were categorized under aplacental viviparity.
- Reproduction is a special kind of viviparity, called placental viviparity.
- Reproduction is a special kind of viviparity, called placental viviparity.
- Because the space for developing embryos is limited, viviparity reduces brood size.
- This type of reproduction is termed as Adenotrophic viviparity.
- Viviparity and ovoviviparity have evolved in many extinct clades of reptiles and in squamates.
- Viviparity is a K selected trait.
- These modes are distinguished from viviparity, which covers all the modes that result in live birth:
- Renfree co-authored a paper " Hormones and the evolution of viviparity " with Amoroso in 1979.
- The terms " Ovoviviparity " or " a placental viviparity " have been deprecated because they encompass several unrelated modes of reproduction.
- This shows that viviparity and internal fertilisation was common amongst these primitive jawed vertebrates, which are outside the crown group Gnathostoma.
- This is known as " yolk-sac viviparity " and is regarded as a type of lecithotrophy ( no maternal provisioning ).
- Viviparity in " Incisoscutum " and the ptyctodontids show that these placoderms were the first K-strategists in relation to breeding.
- Several groups of Mesozoic marine reptiles also exhibited viviparity, such as mosasaurs, ichthyosaurs, and Sauropterygia, a group that include pachypleurosaurs and Plesiosauria.
- "Aplacentral viviparity " occurs when the female retains the embryos during the entire time of development but without any transfer of nutrients to the young.
- This method of reproduction is similar to viviparity, but the embryos have no placental connection with the mother and receive their nourishment from a yolk sac.
- In horned lizards ( genus " Phrynosoma " ), viviparity ( live birth ) has evolved multiple times, based on ancestral reconstruction methods.
- Did viviparity give air-breathers the edge to become truly marine and to reach large sizes, or did large sizes and a completely marine lifestyle force viviparity?
- Did viviparity give air-breathers the edge to become truly marine and to reach large sizes, or did large sizes and a completely marine lifestyle force viviparity?
- In many ways, depending on the ecology and life strategy of the species, viviparity may be more strenuous and more physically and energetically taxing on the mother than oviparity.
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