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FlexBook: CK-12 Life Science Honors For Middle School
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This chapter serves as an introduction to life science for the middle school student. This chapter covers the nature of science, including the scientific method and the tools used in science, as well as safety in scientific research.
Categories: Science , Life Science , Cells , Evolution
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: scientific theory , cell theory , basic science , basic research
Created: Sep. 17, 2009 06:21 PM
Last Edited: Jan. 19, 2012 01:33 PM
Studying Life
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This chapter is a general introduction to living things: what they are, what they are made of, and how they are classified. Carbohydrates, lipids, proteins, and nucleic acids are introduced in this chapter.
Categories: Life Science , Cells , DNA , Chemicals of Life
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: genetic , hormone , deoxyribonucleic acid , dna
Created: Sep. 17, 2009 06:21 PM
Last Edited: Sep. 26, 2011 03:38 PM
Introduction to Living Organisms
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This chapter discusses cells, what they are and what they are made of. Eukaryotic and prokaryotic cells are discussed, as are the major organelles of eukaryotic cells.
Categories: Science , Life Science , Cells , Cell Structure
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: structure , enzymes , electron microscope , lipids
Created: Sep. 17, 2009 06:22 PM
Last Edited: Sep. 26, 2011 03:38 PM
Cells and Their Structures
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Cell functions, including active transport, passive transport, photosynthesis, and cellular respiration are discussed in this chapter.
Categories: Science , Life Science , Cells , Cell Function
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: sodium-potassium pump , endocytosis , selectively permeable , exocytosis
Created: Sep. 17, 2009 06:22 PM
Last Edited: Sep. 26, 2011 03:38 PM
Cell Functions
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Cell division and reproduction – including mitosis and meiosis – are discussed in this chapter, as is the relationship between DNA, RNA, and protein synthesis.
Categories: Science , Life Science , Cells , Cell Division
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: spindle , chromosomes , chromatin , prophase
Created: Sep. 17, 2009 06:22 PM
Last Edited: Sep. 26, 2011 03:38 PM
Cell Division, Reproduction, and DNA
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Genetics – from Gregor Mendel and his pea plants to modern advances, including the Human Genome Project and gene therapy – are presented in this chapter.
Categories: Science , Life Science , DNA , Genetics
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: dna ligase , cloning , transformation , somatic cell
Created: Sep. 17, 2009 06:22 PM
Last Edited: Jan. 19, 2012 01:33 PM
Genetics
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The findings of Charles Darwin leading to the theory of evolution by natural selection, the history of life on Earth, and the evidence of evolution are discussed in this chapter.
Categories: Science , Life Science , Evolution , Darwin's Theory of Evolution
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: charles darwin , inherited , macroevolution , natural selection
Created: Sep. 17, 2009 06:22 PM
Last Edited: Sep. 26, 2011 03:38 PM
Evolution
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Bacteria and Archaea make up prokaryotic organisms. The properties and characteristics of prokaryotes are presented in this chapter.
Categories: Science , Life Science , Archea , Prokaryotes
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: transformation , photoautotrophs , transduction , spirilli. peptidoglycan
Created: Sep. 17, 2009 06:22 PM
Last Edited: Sep. 26, 2011 03:38 PM
Prokaryotes
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The properties and characteristics of protists and fungi, from how they obtain food to how they reproduce, are discussed in this chapter.
Categories:
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: eukaryotes , sessile , asexual reproduction , protists
Created: Sep. 17, 2009 06:22 PM
Last Edited: Sep. 26, 2011 03:38 PM
Protists and Fungi
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This chapter introduces plants, from nonvascular plants to vascular plants to gymnosperms and angiosperms. Plant responses, including hormones and tropisms, are also presented.
Categories: Science , Life Science , Plants , Plant Responses
Grades: 7 , 8 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: plants , mosses , tropisms , abscisic acid
Created: Sep. 17, 2009 06:22 PM
Last Edited: Sep. 26, 2011 03:38 PM
Plants
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This chapter gives an overview of animals and further discusses sponges, cnidarians, and worms, including flatworms, roundworms, and segmented worms.
Categories: Science , Life Science , Invertebrates , Characteristics
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: roundworms , gastrovascular cavity , nematodes , sponges
Created: Sep. 17, 2009 06:22 PM
Last Edited: Sep. 26, 2011 03:38 PM
Introduction to Invertebrates
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This chapter discusses additional animals without backbones: the mollusks, echinoderms, arthropods, and insects.
Categories: Science , Life Science , Invertebrates , Arthropods
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: antennae , cuticle , abdomen , pest
Created: Sep. 17, 2009 06:22 PM
Last Edited: Sep. 26, 2011 03:38 PM
Other Invertebrates
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This chapter introduces vertebrates, animals with backbones - fishes, amphibians, and reptiles – from jawless fish to amphibians that must live near water to reptiles that can live anywhere.
Categories: Science , Life Science , Vertebrates , Amphibians
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: ecdysis , hyoid bone , valarian respiration , convergent adaptation
Created: Sep. 17, 2009 06:22 PM
Last Edited: Sep. 26, 2011 03:38 PM
Fishes, Amphibians, and Reptiles
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Characteristics and properties of birds and mammals are discussed in this chapter. The tremendous diversity of birds and the significance of mammals are highlighted.
Categories: Science , Life Science , Vertebrates , Birds
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: aerofoil , polygamous , monogamous , precocial
Created: Sep. 17, 2009 06:22 PM
Last Edited: Jan. 19, 2012 01:33 PM
Birds and Mammals
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Types of animal behaviors, including communication, cooperation, mating and raising young, and daily and yearly cycles are presented in this chapter.
Categories: Science , Life Science , Animal Behavior
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: migration , animal behavior , social animals , hibernation
Created: Sep. 17, 2009 06:22 PM
Last Edited: Jan. 19, 2012 01:33 PM
Behavior of Animals
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This chapter introduces the human body and its organization. The skeletal, muscular, and integumentary (skin) systems are presented.
Categories: Science , Life Science , Living Things , The Human Body
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: integumentary , sweat gland , heart , respiratory system
Created: Sep. 17, 2009 06:22 PM
Last Edited: Jan. 19, 2012 01:33 PM
Skin, Bones, and Muscles
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In this chapter, food (and nutrients) and how to choose healthy food are discussed, as is the digestive system. The MyPyramid diagram is presented.
Categories: Science , Life Science , Chemicals of Life , Organic Compounds
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: nutrients , elimination , absorption , digestion
Created: Sep. 17, 2009 06:22 PM
Last Edited: Jan. 19, 2012 01:33 PM
Food and the Digestive System
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This chapter introduces the heart, blood, and blood vessels, as well as discusses cardiovascular disease and health.
Categories: Life Science , Science , Vertebrates , Humans
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: pulmonary circulation , anemia , bone marrow , systolic
Created: Sep. 17, 2009 06:22 PM
Last Edited: Jan. 19, 2012 01:33 PM
Cardiovascular System
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Presented in this chapter are how we breathe (the respiratory system) and how we get rid of waste (the excretory system).
Categories: Science , Life Science , Living Things , The Human Body
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: respiratory system , urethra , bladder , pneumonia
Created: Sep. 17, 2009 06:23 PM
Last Edited: Jan. 19, 2012 01:33 PM
Respiratory and Excretory Systems
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In this chapter, the nervous system and the health of this system are discussed. The senses – vision, hearing, touch, smell, and taste are also presented.
Categories: Science , Life Science , Cells , Cell Function
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: nervous system , hormone , nerve impulse , neuron
Created: Sep. 17, 2009 06:23 PM
Last Edited: Jan. 19, 2012 01:33 PM
Controlling the Body
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How the body protects itself is discussed in this chapter. Infectious and noninfectious diseases, the first two lines of nonspecific defenses, and the specific immune response are presented.
Categories: Science , Living Things , Vertebrates , The Immune System
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: pathogen , immune response , infectious disease , fever
Created: Feb. 12, 2010 09:07 PM
Last Edited: Jan. 19, 2012 01:33 PM
Diseases and the Body's Defenses
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The male and female reproductive systems and maintaining the health of these systems – including STDs - is presented in this chapter. Reproduction, fertilization, and various stages of development and life are also presented.
Categories: Science , Life Science , Living Things , Reproductive Systems and Life Stages
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: fertilization , female reproductive system , std , female
Created: Sep. 17, 2009 06:23 PM
Last Edited: Jan. 19, 2012 01:33 PM
Reproductive Systems and Life Stages
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This chapter introduces ecology and discusses the ecosystem beginning with the population. Communities, ecosystems, biotic and abiotic factors, and biomes are also presented.
Categories: Science , Life Science , Ecology , Biomes and the Biosphere
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: death , biosphere , birth , aquatic biome
Created: Sep. 17, 2009 06:23 PM
Last Edited: Jan. 19, 2012 01:33 PM
From Populations to the Biosphere
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How energy flows through an ecosystem, how matter recycles through ecosystems, and how ecosystems change over time make up this chapter.
Categories: Science , Life Science , Elements and Compounds , Chemicals of Life
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: nitrogen fixation , groundwater , precipitation , runoff
Created: Sep. 17, 2009 06:23 PM
Last Edited: Jan. 19, 2012 01:33 PM
Ecosystem Dynamics
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Air pollution, water pollution, renewable and nonrenewable resources, habitat destruction and extinction, and the importance of biodiversity are discussed in this chapter.
Categories: Science , Life Science , Ecology , Biomes and the Biosphere
Grades: 7 , 8 , 9 , 10 , 11 , 12
Organizations: CK-12 Foundation
Tags: fossil fuels , greenhouse gases , solar power , fusion power
Created: Sep. 17, 2009 06:23 PM
Last Edited: Jan. 19, 2012 01:33 PM
Environmental Problems
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Categories:
Grades:
Organizations: CK-12 Foundation
Tags:
Created: Jun. 16, 2010 10:22 AM
Last Edited: Sep. 26, 2011 03:38 PM
Appendix: Life Science
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CK-12 Life Science Honors For Middle School
CK-12 Life Science Honors For Middle School
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Created: Sep. 17, 2009 06:21 PM
Last modified: 2 weeks, 6 days ago

CK-12 Life Science Honors For Middle School covers seven units: Understanding Living Things; Cells: The Building Blocks of Life; Genetics and Evolution; Prokaryotes, Protists, Fungi, and Plants; The Animal Kingdom; The Human Body; and Ecology.

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Attributions:
Douglas Wilkin

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Categories:
Animal Behavior
Archea
Cells
Chemicals of Life
Classification of Living Things
Ecology
Evolution
Fungi
Genetics
Invertebrates
Life Science
Living Things
Plants
Prokaryotes
Protists
Reproductive Systems and Life Stages
Science
The Human Body
Understanding Living Things
Vertebrates
Viruses
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License type:
Creative Commons License
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Difficulty:
Beginner
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Grade:
7
8
9
10
11
12
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State:
CA
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None
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BUILD NUMBER:14974
DEPLOYMENT DATE:2012-01-25 19:35:50 -0800 (Wed, 25 Jan 2012)
PDF ENGINE :1
BIDI ENGINE:1
DATABASE VERSION:1.2.5.2
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[{id:"1800",title:"Studying Life"},{id:"1801",title:"Introduction to Living Organisms"},{id:"1802",title:"Cells and Their Structures"},{id:"1803",title:"Cell Functions"},{id:"1804",title:"Cell Division, Reproduction, and DNA"},{id:"1805",title:"Genetics"},{id:"1806",title:"Evolution"},{id:"1807",title:"Prokaryotes"},{id:"1808",title:"Protists and Fungi"},{id:"1809",title:"Plants"},{id:"1810",title:"Introduction to Invertebrates"},{id:"1811",title:"Other Invertebrates"},{id:"1812",title:"Fishes, Amphibians, and Reptiles"},{id:"1813",title:"Birds and Mammals"},{id:"1814",title:"Behavior of Animals"},{id:"1815",title:"Skin, Bones, and Muscles"},{id:"1816",title:"Food and the Digestive System"},{id:"1817",title:"Cardiovascular System"},{id:"1818",title:"Respiratory and Excretory Systems"},{id:"1819",title:"Controlling the Body"},{id:"4327",title:"Diseases and the Body's Defenses"},{id:"1821",title:"Reproductive Systems and Life Stages"},{id:"1822",title:"From Populations to the Biosphere"},{id:"1823",title:"Ecosystem Dynamics"},{id:"1824",title:"Environmental Problems"},{id:"5678",title:"Appendix: Life Science"},]