Collection of Articles in the subject of Biology. Includes topics such as cells, DNA, Genetics, Mitosis, Meiosis, Human Body, Evolution and Ecology.

Collection Contents

REASONING IN SCIENCE

by Sophie Teacher

Really nice explanation of the scientific process.
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This lesson explains how plants in desert areas use a special photosynthetic adaptation called CAM. This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.
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Human Factors

by Sophie Teacher

limiting factors: availability of food, water, shelter, competition for resources, predation and disease, Human Factors, Predator/prey relationships
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This resource links to a site where you can learn about an exciting new technique for diagnosing chromosomal abnormalities. This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.
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Overview of bacteria.
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Adaptation Tutorial

by Janet Pinto

Outlines animal and plant water adaptations by means of natural selection and speciation over time.
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Taxonomy

by Janet Pinto

Describes the importance of a standard taxonomy and how it gradually evolved into a formal system for organizing the names of organisms. Includes interactive comprehension quiz.
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Outlines what features distinguish archaea from other life forms and how archaea are important to people.
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Outlines what features distinguish bacteria from other life forms and how bacteria are important to people.
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Outlines what features distinguish protists from other life forms and how protists are important to people.
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Outlines what features distinguish fungi from other life forms and how fungi are important to people.
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Outlines what features distinguish plants from other life forms and how plants are important to people.
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Outlines what features distinguish animal from other life forms and how animal are important to people.
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The environment plays a major role in the evolution of species. Learn about the ecological pattern to how species arise and die out and discover how natural selection acts differently on related species living in different habitats. This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.
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This article discusses how Darwin and Wallace came up with the idea of natural selection, but their idea of how evolution occurs was not without predecessors. This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.
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Presents some of the environmental barriers to gene flow that may contribute to speciation. They result from natural selection, sexual selection, or even genetic drift.
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Geographic Range, Dispersal and Colonization, Abiotic Factors and Tolerance Limits
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Explains the main points of Darwin's theory of evolution, how the process of natural selection works, and how natural selection affects the frequency of traits over successive generations.
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Presents the type of evidence needed in order to determine which hypotheses most accurately explain the pace of evolution.
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Causes of Speciation

by Janet Pinto

Examines the causes of speciation and takes an in-depth look at the modes of speciation: allopatric, peripatric, parpatric, sympatric.
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After a discussion of the characteristics of arthropodes (insects, etc.) you can trace the evolution of these animal and what adaptations they have to survive in virtually every part of the earth. There are lots of photos of these interesting animals. This resource is part of the Biology Links for One Laptop Per Child course which contains units on Exploring Life; The Cell; Genetics; Mechanisms of Evolution; The Evolutionary History of Biological Diversity; Plant Form and Function; Animal Form and Function; Ecology; and Astrobiology.
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