Biology, Pages 58-67
Biology in clear, easy-to-read language
Biology is a comprehensive life science program for your reluctant readers and those who require additional help to grasp basic biological and life science concepts. This full-color, easy-to-read textbook addresses all these needs.
Written to meet national guidelines, students learn about classification and organization; patterns of reproduction, growth, and development; the human body's systems; ecological cycles; and other basic biological building blocks.
Lexile Level 840 Reading Level 3-4 Interest Level 6-12
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Hydrogen ( H ) , oxygen ( O ) , nitrogen ( N ) , sulfur ( S ) , and phosphorus ( P ) are other common ingredients of these compounds , but it is carbon ( C ) ...
... as you have learned , consists mainly of carbon , oxygen , hydrogen , and nitrogen , with smaller amounts of sulfur and phosphorus .
The Chemical Elements of Life : A Review Living matter is made mostly of carbon , oxygen , hydrogen , and nitrogen , with some sulfur and phosphorus .