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Questions and Answers
What do the root systems provide plants with?
What do the root systems provide plants with?
Anchorage
Systems with deeper roots prevent plants from being blown down.
Systems with deeper roots prevent plants from being blown down.
True (A)
What are the tubes that carry water called?
What are the tubes that carry water called?
- Xylem (correct)
- Vascular bundles
- Phloem
- Roots
Where does food travel through the plant?
Where does food travel through the plant?
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The shoot system consists of a stem, leaves, fruits, and __________.
The shoot system consists of a stem, leaves, fruits, and __________.
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What is the main function of the stem in a plant?
What is the main function of the stem in a plant?
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Which part of the plant protects it from diseases?
Which part of the plant protects it from diseases?
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Cacti have swollen stems that store water.
Cacti have swollen stems that store water.
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Study Notes
The Root System
- Provides anchorage to the plant, stabilizing it in the soil.
- Deep-rooted plants prevent uprooting during floods and heavy rainfall.
- Some plants have aerial roots that cling to other structures for additional support.
Transport in Plants
- Comprises two sets of vascular tubes: xylem and phloem.
- Xylem: Transports water and dissolved mineral salts from roots to leaves.
- Phloem: Transports food, produced by photosynthesis in leaves, to all plant parts.
- Vascular bundles consist of both xylem and phloem for efficient transport.
The Shoot System
- Includes major components: stem, leaves, fruits, and flowers.
- Growth direction is always upwards, optimizing light exposure for photosynthesis.
Stem
- Connects leaves to roots, facilitating material transport throughout the plant.
- Interior consists of tubular cells that transport food, water, and nutrients.
- Water and nutrients ascend from roots, while food travels down from leaves.
- Stiff, strong tubes in the stem provide structural support for leaves.
- Some plants, like woody trees, have thick outer bark for disease protection.
- Certain plants, such as cacti, have swollen stems that serve as water storage.
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