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Basic Plant Structure

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Think About It:

Have you ever wondered if plants were really alive? Indeed they are—if you look deep inside a living plant, you will find a busy and complex organism. Plants move materials, grow, repair themselves, and constantly respond to the environment. Their cells and tissues work together in very effective ways.

The leaves of this sundew plant are adapted to capture and digest live prey.

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Seed Plant Structure

1. Roots -Transport these water/nutrients to the rest of the plant- Store food- Anchor against forces such as wind/rain

2. Stems- Support system for the plant body- Transport system that carries nutrients- Defensive system that protects- Produce leaves and reproductive organs (flowers) 

3. Leaves- Main photosynthetic organs- Stomata- Cuticle

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Stems

Adaptations for water transport:

Vascular tissue – transports water and food to all cells of the plant

• Xylem - system of microscopic water pipes to transport water from roots to leaves

• Phloem – transports food made during photosynthesis and nutrients to where they are needed in the plant

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LeavesAdaptations for water conservation:

• Cuticle – waxy outer layer

– Water proofing– Protect plant from microorganism

invasion

• Stomata – openings on the surface of leaves– Allow carbon dioxide and oxygen

exchange (photosynthesis)– Controls evaporation of water

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