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Ch 29: Holt McDougal Modern Biology Chapter 29: Plant Structure and Function

About This Chapter

The Plant Structure and Function chapter of this Holt McDougal Modern Biology textbook companion course helps students learn the essential modern biology lessons of plant structure and function. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Plant Structure and Function textbook chapter.

How it works:

  • Identify the lessons in the Holt McDougal Modern Biology Plant Structure and Function chapter with which you need help.
  • Find the corresponding video lessons within this companion course chapter.
  • Watch fun videos that cover the plant structure and function topics you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn about:

  • Plant stem structure
  • Primary and secondary shoot system growth
  • Primary root tissue
  • Root system growth
  • Functions of xylem and phloem
  • Structures of leaves

Holt McDougal Modern Biology is a registered trademark of Houghton Mifflin Harcourt, which is not affiliated with Study.com.

9 Lessons in Chapter 29: Holt McDougal Modern Biology Chapter 29: Plant Structure and Function
Structure of Plant Stems: Vascular and Ground Tissue

1. Structure of Plant Stems: Vascular and Ground Tissue

You can determine the age of a tree by looking at its rings. In this lesson, we will look at the basic structures of stems and explore what causes the rings in a tree trunk.

Apical Meristem & Primary Shoot System Growth

2. Apical Meristem & Primary Shoot System Growth

Just like humans, plants need to grow. In this lesson, you'll see how plant growth occurs at specific locations and how the height of the plant is increased.

Lateral Meristem & Secondary Shoot System Growth

3. Lateral Meristem & Secondary Shoot System Growth

Why do some plants experience a secondary growth? Why do some plants grow only in height but others grow in height and width? Discover the answers to these questions in this lesson.

Primary Root Tissue, Root Hairs and the Plant Vascular Cylinder

4. Primary Root Tissue, Root Hairs and the Plant Vascular Cylinder

Roots of plants can provide support, food and water. We will look at diagrams and photos to see the different parts of roots in order to explain these different functions.

Root System Growth: The Root Cap, Primary Roots & Lateral Roots

5. Root System Growth: The Root Cap, Primary Roots & Lateral Roots

It is easy to see some plants get taller, but it is important to know that plants must also have a strong support that we cannot always see. Root growth helps plants survive and can happen in two ways.

Xylem: The Effect of Transpiration and Cohesion on Function

6. Xylem: The Effect of Transpiration and Cohesion on Function

Roots absorb water and leaves release water, but how does water move up a plant? In this lesson, we will look at how this happens in vascular plants, including the importance of xylem, cohesion and transpiration in the process.

Phloem: The Pressure Flow Hypothesis of Food Movement

7. Phloem: The Pressure Flow Hypothesis of Food Movement

Leaves produce sugars and stems; roots and fruits use these sugars for energy. In this lesson, we will look at how these sugars move throughout vascular plants, including the importance of phloem and the pressure flow hypothesis in the process.

Structure of Leaves: The Epidermis, Palisade and Spongy Layers

8. Structure of Leaves: The Epidermis, Palisade and Spongy Layers

Leaves may look pretty in the fall when they are changing colors, but they also provide many necessary functions for plants. In this lesson, we will explore the structures and functions of leaves.

Style of a Flower: Function & Variation

9. Style of a Flower: Function & Variation

This lesson will explore the reproductive organ of the flower with a focus on the structure known as the style. The lesson will also focus on the function and variation in types of styles among different types of flowering plants.

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