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What are some differences between monocot and dicot seeds?

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Quick Answer

A monocot seed has an embryo with a single cotyledon, and a dicot seed has an embryo with two cotyledons. Monocots have stem vascular systems with their bundles scattered, and dicots have their stem vascular systems with their bundles in a ring. Monocots have flower parts in multiples of three, while dicots have flower parts in multiples of four or five.

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Full Answer

There are plenty of differences between monocots and dicots that make identifying the angiosperms quick and easy. The number of cotyledons is the way scientists distinguish these two classes of angiosperms. The name "monocot" means one cotyledon and the term "dicot" means two cotyledons. Dicots have three pores in their pollen, while monocots only have one pore in their pollen. Monocots have flowering parts divisible by three and dicots have flowering parts divisible by four or five.

Only flowering plants are considered to be either monocots or dicots. Some, like agave and palm leaves, produce wood substitutes.

Monocots have a few leaf veins which run parallel on the length of the leaves. Dicots have more veins that run in odd directions throughout the leaves. The way the root system develops is also much different between monocots and dicots.

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Related Questions

  • Q:

    What is the difference between monocot and dicot stems?

    A:

    Dicot stems have a circular arrangement of vascular tissues, whereas the stems of monocots have vascular-tissue bundles scattered throughout. In monocots the vascular bundles also tend to be toward the outside of the stem. Dicot vascular tissue forms a cylinder near the center of the stem.

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  • Q:

    What are examples of monocot and dicot seeds?

    A:

    Examples of monocot seeds include garlic, onion, corn, wheat, asparagus, and orchids. Examples of dicot seeds include tomatoes, potatoes, peppers, beans, peas, clovers, apples and celery.

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  • Q:

    What is inside a seed?

    A:

    Seeds have quite a bit packed inside the seed coat, including the endosperm, cotyledon, plumule and radicle; one will also find a hypocotyl or stem in a dicot seed. The terms monocot and dicot refer to the number of leaves a plant has when it first germinates. A monocot has one leaf, whereas a dicot has two, thus the need for the stem inside the seed.

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  • Q:

    Is a sunflower seed a monocot or a dicot?

    A:

    A sunflower seed is a dicot that contains the characteristic double cotyledon. The cotyledon, also known as a seed leaf, holds food reserves for the developing seed.

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