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Life Cycle of a Flowering Plant
Transcript of Life Cycle of a Flowering Plant
Growth and Development of Flower
The plant matures. As it photosynthesizes, it develops roots, stem, and leaves. The stamen begins producing pollen and the ovary produces egg cells inside the flower.
The pollen grains grow a tube down the style into the ovary. The style connects the stigma to the ovary. The ovary is the base of the pistil and contains the egg cells. The sperm cells swim down the pollen tube and unite with the egg cell and fertilize the egg cells.
Development of Fruit with Seeds
The compartments that contain the egg cells within the ovary are called ovules. They develop into the actual seeds. The fertilized egg becomes the embryo of the seeds. The ovary then ripens into a fruit. The fruit protects the seed. Animals eat the fruit and deposit the seeds and the cycle starts all over again.
by Mrs. Miller
7th Grade Science
Pollinators, such as birds or bees, fly into a flower in search of nectar and brush up against the anthers on the top of the male part, the stamen. Pollen sticks to their bodies. Pollen contains sperm cells. They fly to another similar flower and they brush up against the stigma and transfer the pollen. The stigma is located at the top of the female part, the pistil.
The Life Cycle of a Flowering Plant
A flowering plant is characterized as one that produces flowers. The flower contains the reproductive structures for the plant. Flowering plants also produce seeds that are enclosed in fruits. Let's learn about the steps of the flowering plant's life cycle.
The baby plant or embryo inside the seed uses stored food in the seed to grow. It does not need sunlight to photosynthesize since it is underground. It absorbs water from its environment to soften the seed coat so the root can come out and push down into the ground. The baby plant begins growing.