0
What else can I help you with?
What is the transfer of pollen from the anther to the stigma called?
The transfer of pollen from the anther to the stigma is called pollination. This process is essential for fertilization and the production of seeds in plants. Pollination can occur through various means, such as wind, insects, birds, or other animals.
Which structure do pollen grains attach during pollination?
Pollen grains attach to the stigma of a flower's pistil during pollination. The stigma is the receptive part of the pistil where the pollen lands and germinates to form a pollen tube for fertilization to occur.
Where is the place where pollen lands for pollination to occur in a flower?
Pollen lands on the stigma, which is the sticky female reproductive part of the flower, during pollination. This interaction allows for fertilization and the formation of seeds.
What seed bearing flowering plants first appeared during the Cretaceous?
Angiosperms, or flowering plants, first appeared during the early Cretaceous period around 130 million years ago. This group of seed bearing plants diversified rapidly and became the dominant type of plant by the end of the Cretaceous period.
At what stage does corn enter the flowering stage of its growth cycle?
Corn enters the flowering stage of its growth cycle during the reproductive stage, which typically occurs around 60 to 70 days after planting.
What is the mode of reproduction of a flowering kale?
Flowering kale primarily reproduces sexually through the production of seeds. During the flowering stage, it produces flowers that facilitate pollination, often by attracting pollinators like bees. Once pollinated, the flowers develop into seed pods, which contain seeds that can be dispersed to grow new plants. Additionally, flowering kale can also be propagated asexually through cuttings or division.
What is the process of fertilization in flowering plants where new seeds are formed called?
The process of fertilization in flowering plants where new seeds are formed is called pollination. During pollination, pollen grains are transferred from the male reproductive organ (anther) to the female reproductive organ (stigma) of the flower, leading to fertilization and seed formation.
What structure do pollen attach during pollination?
During pollination, pollen grains attach to the stigma, which is the upper part of the pistil in flowering plants. The stigma is often sticky, allowing it to capture and hold pollen from visiting pollinators or the wind. Once the pollen adheres to the stigma, it can germinate and grow a pollen tube down the style towards the ovary, facilitating fertilization.
Why dont the sperm nuclei of the male gametophyte of flowering plants have flagella?
During pollination, the sperm of the male gametophyte are not flagellated because they generally do not move. They rely on the growth of a pollen tube to deliver them to the egg cell.
What happens during the processes of cross-pollination and self-pollination?
there is not to big of a differents
Pollen grains move from a flower's stamen to it's pistil during what?
During self pollination, pollen grains move from the stamen of a flower to its pistil. Cross pollination involves flowers from different plants.
Where can you find the sperm cells in flowers?
In most plants, and in all flowering plants, the male reproductive cells (sperm cells) are contained in pollen, which is transferred from plant to plant by insects, other animals or by the wind, or through self-pollination. In most flowers, the pollen can be seen on the anthers of the flower. During pollination, pollen is transferred from anthers to the flower's stigma.
Where do pollen grains attach during pollination?
During pollination, pollen grains attach primarily to the stigma, which is the receptive part of a flower's female reproductive organ (the pistil). The stigma is often sticky or has specialized structures that facilitate the adhesion of pollen. Once attached, pollen grains germinate and grow a pollen tube down the style to reach the ovary, where fertilization occurs. This process is crucial for the reproduction of flowering plants.
In a plants life cycle in which stage are seeds produced?
Seeds are produced during the reproductive stage of a plant's life cycle. This follows the flowering and pollination stages, where the plant's reproductive organs are involved in producing seeds for dispersal and future growth.
Does marijuana plants continue to grow during flowering stages?
No. All of the plants' energy is put towards flowering correctly.
What is the transfer of pollen from the anther to the stigma called?
The transfer of pollen from the anther to the stigma is called pollination. This process is essential for fertilization and the production of seeds in plants. Pollination can occur through various means, such as wind, insects, birds, or other animals.
What is the dominant phase of the tulip's life cycle?
The dominant phase of the tulip's life cycle is the flowering stage, which occurs after the bulb has developed roots and shoots during the vegetative phase. In spring, tulips bloom, showcasing their vibrant flowers. This flowering phase is crucial for reproduction, as it allows for pollination and the eventual production of seeds. After blooming, the plant enters a dormancy period, where it stores energy in the bulb for the next growth cycle.
