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What is 1 of the functions of the sugary substance found in the stigma?
One function of the sugary substance found in the stigma is to attract pollen grains. This substance provides nutrition for the pollen grains, encouraging them to land on the stigma and begin the process of fertilization.
What part of the plant receive pollen?
stigma
Which structure is where pollen grains land and stick?
The structure where pollen grains land and stick is the stigma of a flower. The stigma is the uppermost part of the pistil, and its sticky surface helps to capture and hold pollen grains for fertilization.
What happens once the pollen lands on the stigma?
Pollination
Which part of the pistil is sticky and attracts pollen grains?
The stigma is the part of the pistil that is sticky and attracts pollen grains in order to facilitate pollination.
What is the process that had taken place resulting in the stigma being covered with pollen grains?
Pollination
What is the stigmas job on a flower?
The stigma, which is covered with a sticky substance, catches the pollen.
Where in the flower do pollen grains land in order to begin the process of fertilization?
Pollen grains land on the stigma of the flower, which is the sticky structure at the top of the pistil. Once the pollen grains land on the stigma, they can germinate and grow a pollen tube through the style to reach the ovules in the ovary for fertilization to occur.
Why is a flower's stigma sticky?
The stigma of a flower is sticky to help trap and hold onto pollen grains. This stickiness allows the pollen to adhere to the stigma and then germinate, helping with the process of fertilization.
What is 1 of the functions of the sugary substance found in the stigma?
One function of the sugary substance found in the stigma is to attract pollen grains. This substance provides nutrition for the pollen grains, encouraging them to land on the stigma and begin the process of fertilization.
Where do pollen grains land on the pistil?
the style
What is the job of a stigma?
The stigma on a flower is responsible for receiving pollen during fertilization. It is the receptive surface where pollen grains adhere and germinate to produce a pollen tube that delivers sperm to the ovules. This process is essential for sexual reproduction in plants.
What part of the plant receive pollen?
stigma
In what structure do the pollen grains come in contact with the ovule?
Pollen grains come in contact with the ovule through the stigma, which is the receptive tip of the female reproductive organ (pistil) in a flower. Pollen grains germinate on the stigma, form a pollen tube, and then grow down to the ovule for fertilization.
What is the job for stigma?
It allows landing of pollen grains and germination of compatible pollen grains only.
Are pollen grains formed within the stigma?
No, pollen grains are not formed within the stigma. Pollen grains are formed in the anthers of a flower's stamen. The stigma is part of the female reproductive structure of a flower, where pollen grains land and germinate to fertilize the ovules.
What is the sticky part of the pistil called?
The sticky part of the pistil is called the stigma. It is the receptive surface where pollen grains land and germinate to begin the process of fertilization.
