Functional Organization of Flowering Plants

Study sheet excerpt

Course Outline

  1. Constraints of a Fixed Plant Lifestyle
  2. Photosynthesis and Plant Vocabulary
  3. Root Exchange Surfaces
  4. Leaf Exchange Surfaces
  5. Sap Transport Through the Plant
  6. Plant Organogenesis and Growth
  7. Experimental Study of Phototropism
  8. Environmental Adaptation Strategies

1. Constraints of a Fixed Plant Lifestyle

Key Concepts & Definitions

  • Stomata : Microscopic pores located mainly on leaf surfaces, and more rarely on stems, that allow gas exchange between the plant and the air.

★ Must-know

  • A fixed plant must obtain light, water, carbon dioxide, mineral ions, and reproductive opportunities without moving from its location.

Further detail

  • Plants limit temperature stress through:

    • stomatal control
    • leaf loss during severe heat
    • reduced winter activity
    • stopped sap circulation
    • adaptations to mountain altitude
  • Plants defend themselves against herbivores through physical and chemical defenses, including thorns.

  • Seeds are dispersed either by abiotic factors such as water and wind or by animals.

Memory Hook

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Quiz preview

1. Regarding the constraints of a fixed plant lifestyle, which statements are correct?

2. Which adaptations help plants cope with environmental stresses and herbivory?

3. Concerning photosynthesis, tick the correct statements:

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Flashcards preview

What are stomata in plants?

Microscopic pores mainly on leaf surfaces allowing gas exchange.

What must a fixed plant obtain without moving?

Light, water, carbon dioxide, mineral ions, and reproductive opportunities.

How do plants limit extreme temperature stress?

By stomatal control, leaf loss, reduced activity, stopped sap flow, and altitude adaptations.

How do plants defend against herbivores?

Through physical and chemical defenses including thorns.

What are two abiotic factors dispersing seeds?

Water and wind.

Besides abiotic factors, what else disperses seeds?

Animals.

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The quiz contains 24 multiple-choice questions with detailed corrections and explanations for each answer. Ideal for testing your knowledge and identifying gaps.

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