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Effects of sharing meals

  • Course: Biology
  • Professor: Mr. De guzman
  • School: Sta rita University
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Photosynthesis occurs in the green leaves of
plants. How is photosynthesis important in the
flow of carbon through an ecosystem?

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Textbook Table of Contents

Ten

C H A P T E R

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Photosynthesis

Chapter Outline

CHAPTER OUTLINE
Photosynthetic organisms are autotrophs.
What is light?
Pigments absorb light, which drives photosynthesis.
Photosynthesis requires both photochemical and
biochemical reactions to produce sugars.
Chloroplasts are the site of photosynthesis in plants.
The light reactions of photosynthesis produce ATP.
The light reactions of photosynthesis also
produce NADPH.
Perspective 10.1 The Evolution of the Light Reactions
The biochemical reactions convert CO2 to
carbohydrates.
Rubisco is not perfect and fuels carbon loss via
photorespiration.
Perspective 10.2 The Evolution of Photosynthesis:
Why Aren’t Plants Black?
Perspective 10.3 How Did Such a Wasteful Process as
Photorespiration Evolve?
C4 photosynthesis employs two CO2 fixation steps and
probably evolved during times of low CO2 levels in
the atmosphere.
Perspective 10.4 Why Don’t C4 Plants Dominate the
Landscape?

Crassulacean acid metabolism (CAM) is the
third main type of photosynthesis known and
probably evolved in arid ecosystems.
What environmental factors affect the rates of
photosynthesis?
What happens to the products of the Calvin cycle?
Perspective 10.5 Atmospheric CO2 and Photosynthesis

Learning Online
LEARNING ONLINE

The Online Learning Center at www.mhhe.com/botany provides
practice quizzes and key term flashcards to help you study for upcoming exams and assignments. Do you know how the release of oxygen in ancient atmospheres was important to the evolution of plants and animals? Visit http:/

/photoscience.la.asu.edu/photosyn
in chapter 10 of the OLC to learn more about photosynthesis and the formation of carbohydrates.

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