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High School Biology: Plant Biology - Plant Organs - Roots, Stems, and Leaves (Fill in the blank)
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High School Biology: Plant Biology - Plant Organs - Roots, Stems, and Leaves (Fill in the blank)
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8 Questions

1. __________ roots grow downward, while __________ branch sideways.

2. Secondary stems, leaves, flowers, and cones grow out of __________ on the stem.

3. Much of the interior space of a leaf is occupied by photosynthetic parenchymal cells, known as the _________-_ of the leaf.

4. The surface area for water and mineral absorption is increased in plants with a __________ root system.

5. The tip of a root is called the __________.

6. __________ are the very thin, pointed leaves of conifers such as pine trees.

7. __________ anchor plants to the ground.

8. __________ plants lose their leaves in the fall, and grow new ones in the spring.

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