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plantbody
| Question | Answer |
|---|---|
| Plant body | The entire structure of a plant composed of organs and systems that perform various functions |
| Main plant systems | Root system and Shoot system |
| Main types of plant organs | Vegetative organs and Reproductive organs |
| Vegetative organs | Roots, stems, and leaves; responsible for growth, support, and photosynthesis |
| Reproductive organs | Flowers, seeds, and fruits; responsible for reproduction and propagation |
| Root system | Usually underground; absorbs water and minerals and anchors the plant |
| Functions of the root system | Absorption, anchorage, and sometimes food storage |
| Shoot system | Usually aerial; consists of stem, leaves, flowers, and fruits |
| Functions of the shoot system | Photosynthesis, transport, support, and reproduction |
| Stem | Supports leaves, flowers, and fruits; transports water and food |
| Leaves | Main organs of photosynthesis; capture sunlight and carbon dioxide |
| Flowers | Reproductive structures that produce seeds and fruits |
| Buds | Undeveloped or embryonic shoots that can grow into new stems or flowers |
| Continuity in plant body | Tissues connect all organs, ensuring water, nutrients, and food are transported throughout the plant |
| Major groups of angiosperms | Monocotyledons (monocots) and Dicotyledons (dicots) |
| Meaning of monocot | “Mono” means one; plant has one cotyledon or seed leaf |
| Meaning of dicot | “Di” means two; plant has two cotyledons or seed leaves |
| Comparison of monocot and dicot | Based on root type, leaf veins, stem structure, flower parts, and cotyledon number |
| Monocot root type | Fibrous root system |
| Dicot root type | Taproot system |
| Monocot leaf venation | Parallel venation (veins run side by side) |
| Dicot leaf venation | Net-like or reticulate venation |
| Monocot stem vascular bundles | Scattered throughout the stem |
| Dicot stem vascular bundles | Arranged in a circular ring pattern |
| Monocot flower parts | Occur in multiples of three (3, 6, 9, etc.) |
| Dicot flower parts | Occur in multiples of four or five (4, 5, 10, etc.) |
| Monocot cotyledon number | One cotyledon |
| Dicot cotyledon number | Two cotyledons |
| Examples of monocots | Rice, corn, banana, sugarcane, grasses |
| Examples of dicots | Mango, beans, sunflower, gumamela |
| Function of the root system | Anchors the plant and absorbs water and minerals |
| Function of the shoot system | Supports photosynthesis and reproduction |
| Function of leaves | Perform photosynthesis to produce food for the plant |
| Connection between plant organs | Roots, stems, and leaves are linked by vascular tissues for transport and structure |
| Importance of plant body organization | Ensures coordinated growth and function across all plant parts |
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