Biology 2006 edition

Textbook Cover

George B. Johnson and Peter H. Raven
Publisher: Holt McDougal


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  • 1: Biology and You (16)
  • 2: Chemistry of Life (13)
  • 3: Cell Structure (14)
  • 4: Cells and Their Environment (14)
  • 5: Photosynthesis and Cellular Respiration (13)
  • 6: Chromosomes and Cell Reproduction (14)
  • 7: Meiosis and Sexual Reproduction (14)
  • 8: Mendel and Heredity (14)
  • 9: DNA: The Genetic Material (11)
  • 10: How Proteins Are Made (14)
  • 11: Gene Technology (11)
  • 12: History of Life on Earth (11)
  • 13: The Theory of Evolution (12)
  • 14: Classification of Organisms (12)
  • 15: Ecosystems (12)
  • 16: Ecosystems (13)
  • 17: Biological Communities (13)
  • 18: The Environment (12)
  • 19: Introduction to the Kingdom of Life (11)
  • 20: Viruses and Bacteria (14)
  • 21: Protists (15)
  • 22: Fungi (14)
  • 23: Introduction to Plants (10)
  • 24: Plant Reproduction (11)
  • 25: Plant Structure and Function (10)
  • 26: Plant Growth and Development (11)
  • 27: Introduction to Animals (11)
  • 28: Simple Invertebrates (10)
  • 29: Mollusks and Annelids (10)
  • 30: Arthropods (10)
  • 31: Echinoderms and Invertebrate Chordates (10)
  • 32: Introduction to Vertebrates (11)
  • 33: Fishes and Amphibians (10)
  • 34: Reptiles and Birds (9)
  • 35: Mammals (10)
  • 36: Animal Behavior (10)
  • 37: Introduction to Body Structure (10)
  • 38: circulatory and Respiratory Systems (11)
  • 39: Digestive and Excretory Systems (11)
  • 40: The Body's Defenses (11)
  • 41: Nervous System (9)
  • 42: Hormones and the Endocrine System (11)
  • 43: Reproduction and Development (11)

Questions Available within WebAssign

Most questions from this textbook are available in WebAssign. The online questions are identical to the textbook questions except for minor wording changes necessary for Web use. Whenever possible, variables, numbers, or words have been randomized so that each student receives a unique version of the question. This list is updated nightly.

Question Group Key
STP - Standardized Test Prep
CR - Chapter Review


Question Availability Color Key
BLACK questions are available now
GRAY questions are under development


Group Quantity Questions
Chapter 1: Biology and You
1.CR 7 01 02 03 04 05 06 07
1.STP 9 01 02 03 04 05 06 07 08 09
Chapter 2: Chemistry of Life
2.CR 7 01 02 03 04 05 06 07
2.STP 6 01 03 04 05 06 07
Chapter 3: Cell Structure
3.CR 7 01 02 03 04 05 06 07
3.STP 7 01 02 03 04 05 06 07
Chapter 4: Cells and Their Environment
4.CR 8 01 02 03 04 05 06 07 08
4.STP 6 01 02 03 04 05 06
Chapter 5: Photosynthesis and Cellular Respiration
5.CR 7 01 02 03 04 05 06 08
5.STP 6 01 02 03 04 05 06
Chapter 6: Chromosomes and Cell Reproduction
6.CR 7 01 02 03 04 05 07 09
6.STP 7 01 02 03 04 05 06 07
Chapter 7: Meiosis and Sexual Reproduction
7.CR 7 01 02 03 04 05 06 08
7.STP 7 01 02 03 04 05 06 07
Chapter 8: Mendel and Heredity
8.CR 7 01 02 03 04 05 06 07
8.STP 7 01 02 03 04 05 06 07
Chapter 9: DNA: The Genetic Material
9.CR 4 01 02 03 04
9.STP 7 01 02 03 04 05 06 07
Chapter 10: How Proteins Are Made
10.CR 6 01 02 03 04 05 06
10.STP 8 01 02 03 04 05 06 07 08
Chapter 11: Gene Technology
11.CR 3 01 02 03
11.STP 8 01 02 03 04 05 06 07 08
Chapter 12: History of Life on Earth
12.CR 5 01 02 03 04 05
12.STP 6 01 02 03 04 05 06
Chapter 13: The Theory of Evolution
13.CR 5 01 02 03 04 07
13.STP 7 01 02 03 04 05 06 07
Chapter 14: Classification of Organisms
14.CR 4 01 02 03 06
14.STP 8 01 02 03 04 05 06 07 08
Chapter 15: Ecosystems
15.CR 4 01 02 03 04
15.STP 8 01 02 03 04 05 06 07 08
Chapter 16: Ecosystems
16.CR 5 01 02 03 04 05
16.STP 8 01 02 03 04 05 06 07 08
Chapter 17: Biological Communities
17.CR 6 01 02 04 05 06 08
17.STP 7 01 02 03 04 05 06 07
Chapter 18: The Environment
18.CR 5 01 02 03 04 05
18.STP 7 01 02 03 04 05 06 07
Chapter 19: Introduction to the Kingdom of Life
19.CR 4 01 03 04 05
19.STP 7 01 02 03 04 05 06 07
Chapter 20: Viruses and Bacteria
20.CR 6 01 02 03 04 05 06
20.STP 8 01 02 03 04 05 06 07 08
Chapter 21: Protists
21.CR 7 01 02 03 04 05 06 07
21.STP 8 01 02 03 04 05 06 07 08
Chapter 22: Fungi
22.CR 7 01 02 03 04 05 07 08
22.STP 7 01 02 03 04 05 06 07
Chapter 23: Introduction to Plants
23.CR 3 01 03 05
23.STP 7 01 02 03 04 05 06 07
Chapter 24: Plant Reproduction
24.CR 3 01 03 05
24.STP 8 01 02 03 04 05 06 07 08
Chapter 25: Plant Structure and Function
25.CR 3 01 04 05
25.STP 7 01 02 03 04 05 06 07
Chapter 26: Plant Growth and Development
26.CR 3 01 03 05
26.STP 8 01 02 03 04 05 06 07 08
Chapter 27: Introduction to Animals
27.CR 3 01 02 04
27.STP 8 01 02 03 04 05 06 07 08
Chapter 28: Simple Invertebrates
28.CR 3 01 02 03
28.STP 7 01 02 03 04 05 06 07
Chapter 29: Mollusks and Annelids
29.CR 3 01 03 06
29.STP 7 01 02 03 04 05 06 07
Chapter 30: Arthropods
30.CR 3 01 03 06
30.STP 7 01 02 03 04 05 06 07
Chapter 31: Echinoderms and Invertebrate Chordates
31.CR 3 01 03 05
31.STP 7 01 02 03 04 05 06 07
Chapter 32: Introduction to Vertebrates
32.CR 3 01 03 05
32.STP 8 01 02 03 04 05 06 07 08
Chapter 33: Fishes and Amphibians
33.CR 3 01 03 05
33.STP 7 01 02 03 04 05 06 07
Chapter 34: Reptiles and Birds
34.CR 3 01 03 05
34.STP 6 01 02 03 04 05 06
Chapter 35: Mammals
35.CR 3 01 03 05
35.STP 7 01 02 03 04 05 06 07
Chapter 36: Animal Behavior
36.CR 3 01 03 05
36.STP 7 01 02 03 04 05 06 07
Chapter 37: Introduction to Body Structure
37.CR 3 01 03 05
37.STP 7 01 02 03 04 05 06 07
Chapter 38: circulatory and Respiratory Systems
38.CR 3 01 03 05
38.STP 8 01 02 03 04 05 06 07 08
Chapter 39: Digestive and Excretory Systems
39.CR 3 01 03 05
39.STP 8 01 02 03 04 05 06 07 08
Chapter 40: The Body's Defenses
40.CR 3 02 04 05
40.STP 8 01 02 03 04 05 06 07 08
Chapter 41: Nervous System
41.CR 3 01 03 05
41.STP 6 01 02 03 04 05 06
Chapter 42: Hormones and the Endocrine System
42.CR 3 01 03 05
42.STP 8 01 02 03 04 05 06 07 08
Chapter 43: Reproduction and Development
43.CR 3 01 03 05
43.STP 8 01 02 03 04 05 06 07 08
Total 504