A seed may be considered as a plant itself, which is covered by a seed coat, which is called the testa. Much of the time, there is food stored inside. It is the end product after a plant has achieved fertilization. The seeds are considered to be one of the significant modes of reproduction for seed plants.
A seed has three main parts, including the embryo, a nutrient, supply for the embryo, and the seed coat. The embryo facilitates plant growth, as it contains vital nutrients. Pollens are very different than seeds because they are fine and powdery.
They are microscopic elements with varying appearances, and they embrace the gametes of seed plants. Much like ordinary seeds, pollen may also possess a hard coating for the pollen grain to protect pollination. Pollens, or, more specifically, pollen grains, requires appropriate magnification to be seen by a person.
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