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CK-12 Foundation
Ck 12: Life Science: 1.2 Fields in the Life Sciences
Explore some different areas of study in the life sciences.
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Ck 12: Life Science: 7.3 Plant Reproduction and Life Cycle
Learn about the reproduction and life cycles of plants.
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Ck 12: Life Science: 7.7 Life Cycle of Seedless Vascular Plants
Discover the life cycle of seedless vascular plants.
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Ck 12: Life Science: 1.5 Basic and Applied Science
Get an overview of applied science where people use and apply information obtained through basic science.
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Ck 12: Life Science: 4.11 First Cell
Learn about the first form of life on Earth, the cell.
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Ck 12: Life Science: 3.18 Cloning
Understand the science and ethics behind human or animal cloning.
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Ck 12: Life Science: 4.9 Origin of Species
Understand how species develop and change over time.
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Ck 12: Life Science: 12.14 Aquatic Biomes
Understand the living and nonliving aspects of aquatic ecosystems.
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Ck 12: Life Science: 7.2 Plant Evolution
Discover the evolution and change of plants over time.
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Ck 12: Life Science: 2.3 Cell Theory
Learn about the cell theory and levels of organization in a multicellular organism.
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Ck 12: Life Science: 4.12 Geologic Time Scale
Understand the history of the Earth through geologic time.
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Ck 12: Life Science: 12.20 Succession
Understand primary and secondary ecological succession, and their importance to ecosystems.
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Ck 12: Life Science: 12.17 Consumers and Decomposers
Learn the difference between consumers and decomposers in the ecosystem.
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Ck 12: Life Science: 112.16 Producer
Understand the role that producers play in the ecosystem.
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Ck 12: Life Science: 12.23 Nitrogen Cycle
Learn about the Nitrogen cycle, and understand how it affects the ecosystem.
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Ck 12: Life Science: 12.21 Water Cycle
Understand the importance water cycling constantly through the ecosystem.
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Ck 12: Life Science: 11.22 Lymphatic System
Explore the structure and function of the lymphatic system.
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Ck 12: Life Science: 11.43 Peripheral Nervous System
Understand the structure and function of the peripheral nervous system in the human body.
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Ck 12: Life Science: 12.30 Nonrenewable Resources
Learn about nonrenewable resources and energy, specifically nuclear power.
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Ck 12: Life Science: 12.28 Preserving Water Sources
Learn about preserving water resources.
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Ck 12: Life Science: 12.25 Indoor Air Pollution
Learn about some of the main sources of indoor air pollution.
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Ck 12: Life Science: 11.72 Pregnancy
Understand fetal growth during pregnancy in humans.
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Ck 12: Life Science: 11.74 Puberty and Adolescence
Learn the characteristics of puberty and adolescence in humans.