Differences Differences Between Monocots Between Monocots and Dicotsand Dicots

Presented byPresented byCrystal SalinasCrystal Salinas

AgendaAgenda Angiosperm- two classes Angiosperm- two classes

1.1. Monocots Monocots 2.2. DicotsDicots

Differences between monocots Differences between monocots and dicotsand dicots

Identify plants and place them in Identify plants and place them in the two groupsthe two groups

What are they?What are they? Angiosperm - Flowering plants. Angiosperm - Flowering plants.

First appearing at least 110 First appearing at least 110 million years ago from an million years ago from an unknown unknown gymnospermgymnosperm ancestor, ancestor, flowering plants have risen to flowering plants have risen to dominance in most of the world's dominance in most of the world's floras. Angiosperms are divided in floras. Angiosperms are divided in to two groups: monocot and dicot.to two groups: monocot and dicot.

What are they?What are they? Monocotyledons (Monocots) – These Monocotyledons (Monocots) – These

plants have specific characteristics plants have specific characteristics that class them as such.that class them as such.

Some examples are:Some examples are:– PalmsPalms– GrassesGrasses– OrchidsOrchids– onionsonions

Characteristics of Characteristics of MonocotsMonocots

What are they?What are they? Dicotyledons (Dicots) – Dicots also Dicotyledons (Dicots) – Dicots also

have special characteristics.have special characteristics. Some examples of Dicots are:Some examples of Dicots are:

– OaksOaks– RosesRoses– MustardsMustards– CactiCacti– sunflowerssunflowers

Characteristics of Characteristics of DicotsDicots

Comparison of PlantsComparison of Plants Monocot is on the Monocot is on the

leftleft– Oat plantOat plant

Dicot is on the rightDicot is on the right– Bean plantBean plant

Notice the Notice the difference in the difference in the two plantstwo plants

Vascular Bundle of Vascular Bundle of MonocotsMonocots

In monocots, the In monocots, the vascular bundles vascular bundles in the stem cross in the stem cross section are section are usually scattered usually scattered or more complex or more complex of an arrangement of an arrangement as compared to as compared to dicots.dicots.

Vascular Bundle of Vascular Bundle of DicotsDicots

The vascular The vascular bundles in the bundles in the stem cross stem cross section of dicots section of dicots are arranged in a are arranged in a circle, or ring. circle, or ring.

Types of Monocots and Types of Monocots and DicotsDicots

ReviewReview

1.1. What are three different What are three different characteristics that make monocots characteristics that make monocots and dicots different?and dicots different?

2.2. Are all plants with monocot Are all plants with monocot characteristics monocots?characteristics monocots?

3.3. What are some plants that are What are some plants that are classified as monocots?classified as monocots?

4.4. What are some plants that are What are some plants that are classified as dicots?classified as dicots?

THE ENDTHE END