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Pollen grains reach the pistil through pollination. The pollen grains are placed on the stigma of the carpal, and it transfers by wind, insects, built in mechanical discharge, and men. When the pollen lands on the stigma, it starts a series of chemical reactions that allow the pollen grain to produce a structure called the pollen tube. At the same time, the generative nucleus divides and produces two sperm nuclei. The pollen grain with the pollen tube and three nuclei is a mature gametophyte. The pollen tube works its way through the style of the carpal and touches the micropyte of the ovule. The sperm nuclei enter the embryo sac and fertilizes the egg and two polar nuclei, referred to as double fertilization. The fertilized egg develops into the immature seed plant, and the central cell develops into the endosperm, or food storage ares, of the seed.
Pollen grains are typically carried by wind, insects, birds, or other animals to reach the pistil of a flower. Once they come in contact with the stigma, they may adhere to it and eventually travel down the style to the ovary for fertilization to occur.
By brusting the nearby anther lobes in self pollination and by pollinators in cross pollination. There are different pollinators for different plants and most common are honey bees. Butterflies, moths, birds, bats, water and wind are the other catagories of pollinators.
The pollen grain reach the pistil either by self-pollination or by cross pollination by pollinators.
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Which flower part is sticky or feathery so it can capture pollen?
The stigma of a flower is sticky or feathery in order to capture pollen. The pollen grains adhere to the stigma, allowing for pollination to occur.
Where do flowering plants produce their seeds?
Flowering plants produce their seeds within the ovary of the flower, which is located at the base of the female reproductive structure called the pistil. After fertilization, the ovules within the ovary develop into seeds.
What is the role of the stamens?
The stamen is referred to as the "male" part of a flower because it produces pollen. Once pollen is deposited on the pistil (the "female" part) seeds are produced. Pollen is often carried on the legs of honey bees and as the bees flit from flower to flower collecting nectar, the pollen is deposited on the pistils. The plant makes seeds, the seeds are scattered about the ground (often in bird poop) The seeds germinate, that is, they grow into new plants. The more I study the evolution of life on our planet, the more amazing it all seems.
Ways pollen can move?
Pollen can be moved by wind, water, animals (such as bees or birds), and gravity. Wind is the most common way pollen travels, especially for plants that produce large quantities of lightweight pollen. Water can carry pollen for aquatic plants, while some plants rely on animals to transfer pollen between flowers during pollination.
Does sperm cell grows out of a pollen grain?
No, sperm cells do not grow out of a pollen grain. In plants, sperm cells are produced within the pollen grain, and they are involved in fertilization when the pollen grain reaches a female reproductive structure. Each pollen grain contains two sperm cells.
How do think pollen grains reach the pistil?
Either randomly on the wind, or when a flying insect covered in pollen brushes against the pistil as it flies from flower to flower.
How do you think pollen grain reach pistil?
The pollen grain reach the pistil either by self-pollination or by cross pollination by pollinators.
How do you think pollen grain reach the pistil on gumamela flower?
ambot nimo
Are pollen grains wet?
i think not
What is the top of the pistil that catches the pollen grain?
I think it's Stigma -.-t
How do you think pollen grain rich the pistil?
the pistil is helpful to plants it gives of hyfro chemicals whic is needed to undergo stimulation
Which flower part is sticky or feathery so it can capture pollen?
The stigma of a flower is sticky or feathery in order to capture pollen. The pollen grains adhere to the stigma, allowing for pollination to occur.
What is needed to fertilize the carpel?
I think that the pollen grains is neede to fertilize the carpel.......
How could a heavy rainfall on a fruit orchard in the spring result in a poor fruit yield in the fall?
I think that heavy rain on a fruit orchard in the spring would cause a poor fruit yield because all the pollen would be washed away, and therefore, the eggs would not be fertilized. The ovary, in which the ovules are contained, become the fruit once all the ovules are fertilized. The pollen is produced in the anther, and then they are transported to the pistil by different insects. The pistil contains the stigma, which is a sticky receptive surface where the pollen fall. The stigma also contains the style, which is the pollen tube through which the pollen reach the eggs. Now, if there is heavy rainfall, the pollen may not stick to the stigma, and then be washed away, or the insects may not come and transport the pollen to the stigma, which means that the ovary would never become a fruit.
Why does pollen have spikes?
The reason why some pollen grains have spikes is because of the plant species. It also may be because of where the plant was adapted. Pollen grains have spikes also simply due to the location where the species is found. It is located in the coastal species where pollen grains have a different pollen shape to help with things such as salt resistant while a species found inland will be more heat resistant. It really just depends on the type of environment in which the plant has adapted. By Lyn Le
Sticky secretion on the scales of seed cones traps?
Insects, helping with pollination and dispersal of seeds.
What happens from the time pollen lands on the female part of the flower until the seed forms?
-pollen sticks to the stigma at the end of the pistil -pollen tubes grow down the pistil to the egg cells -sperm cells from the pollen moves down the tubes -fertilization combines DNA
