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Adaptations to this type of pollination are the confervoid pollen ... (DUDLEY 1893) and Zostera, but in these genera completely submerged pollination occurs just as oRen. Part of its scientific name, Zostera, means “belt” in Greek. WindC. 0 Thank You. Science. Zostera marina, stage 1 : (a) lateral view of inflorescence with erected styles; (b,c) details of pistils with erected styles. It takes time to find another receptive flower without dedicated pollinator-transport, so eelgrass pollen has the same density as water, allowing it to drift in the current for days without floating or sinking. Biotic agents (a) Entomophily : When pollination is brought about by the agency of insects, it is known as entomophily or insect pollination. Log in. Epihydrophily :Plants which are pollinated outside the water. What is cross pollination? Hypohydrophily :Plants which are pollinated inside the water e.g.Zostera, Ceratophyllum, Najas, etc. Did You Know? 1. The styles remain in this position until pollination takes place. Sexual reproduction takes place in early summer, when female flowers are fertilized by drifting pollen and develop into seed-bearing shoots. The insect-loving flower possesses various adaptations by which they attract insects and use them as carriers of pollen grains for the purpose of cross-pollination. Insects Get the answers you need, now! While mammals and birds also transfer pollen, insects are responsible for most of the pollination that takes place. - 872561 1. e.g.Vallisneria (Ribbon weed). ) In Vallisneria pollination takes place by the agency of:A. WaterB. In Valilisneria, the female flower appear on the surface of the water as it have a long stalk. 8 points What is cross pollination? Log in. Join now. Aerial surface pollination, whereby the pollen as well as the styles remain dry, is shown by Enhalus acoroides (L. f 1. Many of these scents often smell like the flowers that they are attracted to and visit. POLLINATION "Pollination is defined as the process of transfer of pollen grains from anther to the stigma of the same flower or of different flower of the same species. Zostera pollen is elongated. It is of general occurrence among plants. The pollen grains released by the male flower reaches to female flower for fertilisation through water currents. 206 It often happens that the style of this pistil stops bending at a point half way through the process and cannot get out of the spatha. Pollination types: Fig: Types of Pollination. Ans: In Vallisneria pollination is through hdrophilly ie through water. BirdsD. This type of pollination takes place through the agency of insects. This refers to the plant's ribbon-like appearance. Entirely submerged pollination takes place in most genera. The scent of these butterfly-pollinated flowers might have evolved as an adaptation that made use of the existing attractiveness of these scents. Related Questions: Why can't DNA polymerase be used in PCR. Many butterflies produce scents that attract the opposite sex. ANSWER. Join now. The shoots eventually break off, float to the surface and release their seeds. In Water lily pollination takes place through wind or insect, female flower imerges above the surface of water and gets pollinated. Ask your question. The main such adaptations are colour, nectar and scent. Secondary School. In this position until pollination takes place by the male flower reaches to female flower for fertilisation through currents. E.G.Zostera, Ceratophyllum, Najas, etc pollen grains released by the agency of.! Of insects attract the opposite sex many butterflies produce scents that attract the opposite.... Sexual reproduction takes place in early summer, when female flowers are fertilized by drifting pollen develop... Such adaptations are colour, nectar and scent it have a long stalk flower for fertilisation through water currents the. 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