what is a seed for kids

The spores would land and become new plants only in favourable conditions. (1) The embryo must be alive, called seed viability. Marigolds are another fast-growing edible plant that comes in brilliant yellow, red or gold colors. The evolution of seeds changed the plant life cycle by freeing plants from the need for external water for sexual reproduction, and by providing protection and nutrients for the developing embryo. When a pollen grain falls between two scales it sends out a pollen tube and fertilizes an ovule. Some seeds remain viable for only about a week, while others have been known to germinate after hundreds or even thousands of years. Fast-growing seeds for the classroom are the best choice for this activity, because the kids don’t have to wait very long to see results. Some kids may not be too excited about eating lettuce, but it’s very exciting to grow. They can push the seeds down into the soil and cover them, or put a little more soil on top. If all seeds of a plant fall under the parent plant they will grow crowded together and many will die because of lack of space or air, water, sunlight and minerals. As a result, plants have evolved many ways to disperse their offspring by dispersing their seeds. DowDuPont and Monsanto account for 72 percent of corn and soybean seed sales in the U.S. with the average price of a bag of GMO corn seed is priced at $270. One nice thing about these is that they’re attractive enough to be part of the presentation. They twist and turn in the air and may sail a short distance from the parent tree. From coconuts, cottonseed, corn, flaxseed, peanuts, olives, castor beans, soybean seeds, and almonds, we get valuable oils. Craft sticks or ice cream sticks – These are used for labeling. Now the ovule is called a seed. Plants whose seeds are protected inside an ovary are called angiosperms (“enclosed seeds”). Seeds carry the food that helps the new plant begin to grow. Plants with such seeds are called gymnosperms (“naked seeds”). As germination begins, parts of the embryo break out of the seed coat. People also use seeds to make oils, spices, fabric dye, and jewelry. They attract birds and bees and some grow to over three feet tall. And Once pollination takes place, the seeds start to grow. In flowering plants this material is called endosperm. True, seeds can be tricky, but there is a simple solution. They don’t grow as tall as cosmos, but they also produce a satisfying blossom. You may wonder what the definition of “fast growing” is. This page was last changed on 24 April 2020, at 19:01. I read your blog all the time and have gotten so many good ideas that save me time and make me a better teacher. Seeds travel in many ways. Some even have two colors. The many kinds of grain that people grow, such as rice, wheat, and maize, are all seeds.

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