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life of bodies, cells and dna
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A book which focuses on the daily changes in our life, the developing cells and mitosis. the DNA blood types and so on. This document contains solutions in understanding the daily aspects of bodies and cells and digs deeper.

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Document information

  • November 14, 2021
  • 373
  • 2021/2022
  • Interview
  • Unknown
  • Unknown

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LungeloDhlamini

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LIFE
SCIENCES
Grade 12 Textbook

, Contributors
Dr Arnold Johannes, Mr Peter Weisswange (editors), Ms Angie
Weisswange (illustrator), Ms Tiffany Bell, Ms Margaret Elferink, Mr
Jason Field, Ms Michelle Tracy Hagemann, Ms Kathryn Lamarque,
Ms Jessica Marais, Ms Alydia Monteith, Ms Danielle Stander, Mr
Peter Weisswange (all authors), Ms Helena Oosthuizen, Ms Delia
Stander, Ms Kerstin Stoltsz.
.




Quality Assurance
by Life Sciences Subject Advisors,
under the direction of Mr Kanthan Naidoo (CES):

Ms Phumzile Dlamini (EC), Mr Gonasagaren Pillay (KZN), Ms
Zimasa Sanda (EC), Ms Jennifer Titus (NC)




Produced for the National Department of Basic Education
© DBE

,TABLE OF CONTENTS

Introducing Life Sciences 1

Strand: Life at molecular, cellular and tissue level

1. DNA: The Code of Life 6

2. Meiosis 33

Strand: Life processes in plants and animals

3. Reproductive Strategies in Vertebrates 61

4. Human Reproduction 70

Strand: Diversity, change and continuity

5. Genetics and Inheritance 102

Strand: Life processes in plants and animals

6. Human Responses to the Environment 151

7. The Human Endocrine System and Homeostasis 198

8. Plant Responses to the Environment 236

Strand: Diversity, change and continuity

9. Evolution by Natural Selection 258

10. Human Evolution 289

Appendices

A Final Word: Assessments 332

Answers to Activities 335

Image Attribution 366

,

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