A seed is the reproductive unit of angiosperms (flowering plants) capable of developing into another such plant. The following are it's parts: 
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Seed Part
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Function
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Example
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Seed Coat
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Protects the seed from damage &amp; disease
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Beans, Peas
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Endosperm
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Stores nutrients for the growing embryo
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Coconut, Corn
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Embryo
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Develops into a new plant
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All flowering plants
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 Below is the diagram of it's parts. 
<h3 dir="ltr"><img style="display: block; margin-left: auto; margin-right: auto;" src="https://cdn-cms.orchidsinternationalschool.com/media/parts-of-a-seed.png" alt="Image of Seed - Parts of a seed" width="512" height="288"></h3>
 They have an outer shell called the seed coat that protects them from bad weather, physical damage, &amp; germs. It has a hard seed coat.
A small scar, the hilum, shows where the seed attached to the fruit.
The embryo is the small developing plant contained within the seed.
The seed has Cotyledons, a structure that stores nutrients to feed the embryos.
<h3 dir="ltr"> Seeds are classified as two types based on the number of cotyledons:</h3>
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Monocotyledons (Monocots): Seeds that contain one cotyledon or seed leaf. Such as maize, rice, &amp; wheat.
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Dicotyledons (Dicots): These seeds have two cotyledons or seed lobes. Examples of pulse crops include gram, beans &amp; peas. 
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<img style="display: block; margin-left: auto; margin-right: auto;" src="https://cdn-cms.orchidsinternationalschool.com/media/monocot-and-dicot-seeds.png" alt="Image of monocot and dicot seeds." width="685" height="217">
 Conclusion: Each part of a seed plays a vital role in protecting, nourishing, and developing the future plant - making seeds essential for the plant life cycle.

Learn about the parts of a seed – seed coat, embryo, and endosperm – and understand how each part helps in plant growth and development.

Seed Part	Function	Example
Seed Coat	Protects the seed from damage & disease	Beans, Peas
Endosperm	Stores nutrients for the growing embryo	Coconut, Corn
Embryo	Develops into a new plant	All flowering plants

Parts of a Seed: Explore Seed Coat, Embryo, Endosperm

Seeds are classified as two types based on the number of cotyledons: