It takes the average reader 27 hours and 30 minutes to read CK-12 Biology by CK-12 Foundation
Assuming a reading speed of 250 words per minute. Learn more
CK-12 Foundation's Biology FlexBook covers the following chapters: What is Biology investigations, methods, observations. The Chemistry of Life biochemical, chemical properties. Cellular Structure & Function DNA, RNA, protein, transport, homeostasis. Photosynthesis & Cellular Respiration energy, glucose, ATP, light, Calvin cycle, glycolysis, Kreps cycle. The Cell Cycle, Mitosis & Meiosis cell division, sexual, asexual reproduction. Gregor Mendel & Genetics inheritance, probability, dominant, recessive, sex-linked traits. Molecular Genetics: From DNA to Proteins mutation, gene expression. Human Genetics & Biotechnology human genome, genetic disorders, sex-linked inheritance, cloning. Life: From the First Organism Onward evolution, extinctions, speciation, classification. The Theory of Evolution Darwin, ancestry, selection, comparative anatomy, biogeography. The Principles of Ecology energy, ecosystems, water, carbon, nitrogen cycles. Communities & Populations biotic ecosystems, biodiversity, resources, climate. Microorganisms: Prokaryotes & Viruses prokaryotes, viruses, bacteria. Eukaryotes: Protists & Fungi animal-, plant-, fungus-like protists, fungi. Plant Evolution & Classification plant kingdom, nonvascular, vascular, seed, flowering plants. Plant Biology tissues, roots, stems, leaves, growth. Introduction to Animals invertebrates, classification, evolution. From Sponges to Invertebrate Chordates sponges, cnidarians, flatworms, roundworms. From Fish to Birds characteristics, classification, evolution. Mammals & Animal Behavior traits, reproduction, evolution, classification, behavior. Introduction to the Human Body: Bones, Muscles & Skin skeletal, muscular, integumentary systems. The Nervous & Endocrine Systems structures, functions. The Circulatory, Respiratory, Digestive & Excretory Systems structures, functions, Food Pyramid. The Immune System & Disease responses, defenses. Reproduction & Human Development male, female, lifecycle. Biology Glossary.
CK-12 Biology by CK-12 Foundation is 1,650 pages long, and a total of 412,500 words.
This makes it 557% the length of the average book. It also has 504% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 37 hours and 34 minutes to read CK-12 Biology aloud.
CK-12 Biology is suitable for students ages 12 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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