Seed Structure
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Seed Structure

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Questions and Answers

What is the first step in growing a plant from a seed?

  • Water the soil daily
  • Cover the pot with a plastic sheet
  • Fill the pot with soil (correct)
  • Place the seed in a small hole
  • Which vegetables can grow from their roots?

  • Sweet potatoes, onions, and garlic
  • Turnips, carrots, and sweet potatoes (correct)
  • Carrots, tomatoes, and beans
  • Carrots, broccoli, and lettuce
  • What role do the leaves of some plants have?

  • They are used for medicinal purposes
  • They bear flowers
  • They bear seeds of flowers (correct)
  • They are used for culinary purposes
  • What must be done to the soil after placing the seed?

    <p>Water the soil daily</p> Signup and view all the answers

    Which ingredient has been a special part of Indian and Thai cuisine for generations?

    <p>Sesame seeds</p> Signup and view all the answers

    Which characteristic is essential for seeds dispersed by animals?

    <p>Being colorful and variously shaped</p> Signup and view all the answers

    How are seeds dispersed by water adapted to survive?

    <p>Being protected by a husk</p> Signup and view all the answers

    What role do humans play in seed dispersal?

    <p>Humans intentionally move seeds to various places</p> Signup and view all the answers

    Which of the following is a method of seed dispersal?

    <p>Dispersal by wind</p> Signup and view all the answers

    What is the dispersal method for maple seeds?

    <p>Wind</p> Signup and view all the answers

    Why do some seeds need to be colorful and differently shaped?

    <p>To attract animals for dispersal</p> Signup and view all the answers

    What is the outermost covering of a seed called?

    <p>Seed coat</p> Signup and view all the answers

    Which part of the seed develops into a new plant?

    <p>Embryo</p> Signup and view all the answers

    Where does the root of the seed grow during germination?

    <p>Down into the ground</p> Signup and view all the answers

    What provides the young plant with energy to grow?

    <p>Cotyledon</p> Signup and view all the answers

    What happens to the shoot of the seed during germination?

    <p>It becomes the leaves</p> Signup and view all the answers

    What should readers do to further their understanding of seeds according to the page?

    <p>Find out the names of a few common seeds</p> Signup and view all the answers

    What adaptations do seeds dispersed by water have?

    <p>Structures to float in water</p> Signup and view all the answers

    Which of these seeds is dispersed by wind?

    <p>Dandelion</p> Signup and view all the answers

    What helps mistletoe seeds to be dispersed?

    <p>Birds</p> Signup and view all the answers

    What must a seed have in order to break its seed coat and germinate?

    <p>Adequate space and moisture</p> Signup and view all the answers

    What should be done after selecting a healthy seed to grow?

    <p>Plant the seed in the soil</p> Signup and view all the answers

    What should be observed to ensure that a seed is growing properly?

    <p>Amount of light and water</p> Signup and view all the answers

    What is the process of a seed developing into a plant called?

    <p>Germination</p> Signup and view all the answers

    What is the final step in growing a plant from a seed?

    <p>Transplanting the plant to a larger pot</p> Signup and view all the answers

    Study Notes

    Structure of a Seed

    • A seed consists of three main parts: seed coat, cotyledon, and embryo.
    • The seed coat is the outermost covering that protects the seed and helps it survive.
    • The cotyledon is the food inside the seed that provides energy for the young plant to grow.
    • The embryo is the part of the seed that develops into a new plant, including the root, stem, and shoot.

    Germination

    • Germination is the process of a seed developing and growing into a plant.
    • It requires water, the right temperature, and adequate space for the roots to grow.
    • The process involves the seed breaking into two seedlings, with the root growing down into the ground and the shoot growing up into the air.

    Seed Dispersal

    • Seeds can be dispersed by water, wind, animals, or humans.
    • Seeds dispersed by water have adaptations to help them float, such as coconut, lotus, and maple seeds.
    • Seeds dispersed by wind have structures that allow them to float in the air, such as dandelion seeds.
    • Seeds dispersed by animals have hooks that attach themselves to animals, such as mistletoe seeds.
    • Seeds dispersed by humans are intentionally moved to various places.

    How to Grow a Plant from a Seed

    • Choose a healthy and undamaged seed.
    • Plant the seed in soil and cover it with a thin layer of soil.
    • Keep the soil moist and provide adequate light and warmth.
    • Be patient and observe the plant closely, making sure it receives the appropriate amount of water and light.
    • Transplant the plant into a larger pot or into the ground once it is large enough.

    Exceptions to Seed Growth

    • Some plants, such as carrots, sweet potatoes, and turnips, grow from their roots rather than seeds.
    • These plants produce seeds in their flowers, which can grow into new plants if the conditions are favorable.
    • Some seeds, such as sesame seeds, are used as a culinary ingredient and have various medicinal and cosmetic uses.

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    Description

    Diagram and explanation of the parts of a seed, including the seed coat, cotyledon, and embryo.

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