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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... are then passed along to animals that feed on plants , such as the snail in the
photo . Of all chemical elements , carbon is unparalleled in its ability to form
molecules that are large , complex , and diverse , and this molecular diversity has
For suggested answers , see Appendix A. ☺ The Chemical Elements of Life : A
Review Living matter , 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 . Biological
diversity has its molecular basis in carbon's ability to form a huge number of ...