Plant roots typically grow downwards, towards the center of the Earth, in response to gravity. This is known as gravitropism. Roots grow downward to anchor the plant in the soil and to search for water and nutrients. The growth direction ...
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Sunlight plays an important role in seed germination by providing the energy needed for the seedling to grow. While seeds don’t always need direct sunlight to start germinating, once the seedling begins to sprout, sunlight helps it produce food through ...
Seeds need water to germinate because water activates the enzymes inside the seed that help start the growth process. It softens the seed coat, allowing the seed to swell and crack open. Water also helps transport nutrients inside the seed, ...
For seed germination, three main conditions are necessary: water, warmth, and air (oxygen). Water is absorbed by the seed, activating the enzymes that start the growth process. Warmth helps the seed to metabolize and grow, while oxygen is needed for ...
A seed is considered living because it has the potential to grow into a new plant. It contains all the necessary parts like the embryo, stored food, and a protective coat that allow it to germinate under the right conditions. ...