Understanding Dicotyledons and Monocotyledons: Key Differences and Characteristics
Dicotyledons are a group of flowering plants that have two cotyledons (seed leaves) in their embryo. They are also known as dicots, and they make up about 70% of all flowering plants. Dicotyledons include a wide range of plant species, such as roses, sunflowers, and peas.
2. What is monocotyledon ?
Monocotyledons are a group of flowering plants that have one cotyledon (seed leaf) in their embryo. They are also known as monocots, and they make up about 30% of all flowering plants. Examples of monocotyledons include grasses, lilies, and orchids.
3. What is the difference between dicotyledons and monocotyledons ?
The main differences between dicotyledons and monocotyledons are:
* Number of cotyledons: Dicotyledons have two cotyledons, while monocotyledons have one.
* Seed structure: Dicotyledons have a seed coat that covers the embryo, while monocotyledons have a simple seed coat that does not cover the embryo.
* Leaves: Dicotyledons have net-veined leaves, while monocotyledons have parallel-veined leaves.
* Roots: Dicotyledons have taproots, while monocotyledons have fibrous roots.
4. What are some examples of dicotyledons and monocotyledons ?
Examples of dicotyledons include:
* Roses
* Sunflowers
* Peas
* Beans
* Lettuce
Examples of monocotyledons include:
* Grasses
* Lilies
* Orchids
* Wheat
* Corn
5. What are the characteristics of dicotyledons and monocotyledons in terms of their growth habits ?
Dicotyledons tend to have a more upright growth habit, with a main stem that grows upward and branches out from it. Monocotyledons, on the other hand, tend to have a more spreading growth habit, with stems that grow horizontally and produce new shoots at the nodes.
6. What is the role of cotyledons in plant development ?
Cotyledons are important in plant development because they provide nutrients and energy for the growing embryo. They also help to protect the embryo from environmental stressors and provide a platform for the developing roots and shoots to grow from.
I like this
I dislike this
Report a content error
Share
