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Acquired Immune Deficiency Syndrome

Acquired Immune Deficiency Syndrome   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
6,732 words
Illustration(s):
2

This entry comprises two articles. The introductory article provides a discussion of the origins and phylogeny of HIV; the companion

Agriculture

Agriculture   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
6,017 words
Illustration(s):
1

This entry comprises two articles. The first article provides an account of the times and places of earliest centers of

Amphibians

Amphibians   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
4,277 words
Illustration(s):
4

Amphibians are named for their two-phased life consisting of larva and adult. Typically the larva is aquatic and metamorphoses into

Animals

Animals   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
4,082 words
Illustration(s):
3

The Metazoa (equals animals) is one of the great kingdoms of life. Estimates of the current numbers of living animal

Antibiotic Resistance

Antibiotic Resistance   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
8,300 words
Illustration(s):
1

This entry comprises three articles:

The first article

Apoptosis

Apoptosis   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
2,330 words
Illustration(s):
2

Apoptosis, programmed or physiological cell death, is an active self-killing process of cells that regulates cell number and tissue architecture,

Art

Art   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
4,903 words
Illustration(s):
2

This entry comprises two articles. The introductory article is a wide-ranging overview of art in human prehistory that discusses its

Artificial Selection

Artificial Selection   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
3,500 words
Illustration(s):
2

The term “artificial selection” is generally applied to situations in which humans deliberately mold the features of another species by

Bacteria and Archaea

Bacteria and Archaea   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
3,133 words
Illustration(s):
2

Although they are generally much smaller than can be distinguished by the human eye, microbes are almost everywhere: from rocks

Biogeography

Biogeography   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
7,655 words
Illustration(s):
2

This entry comprises three articles:

The first article discusses the particulars of

Biological Warfare

Biological Warfare   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
2,829 words
Illustration(s):
1

Anyone that has ever grasped a rose by the stem or stepped on a sea urchin has had first-hand experience

Body Plans

Body Plans   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
2,470 words
Illustration(s):
2

The body plan is one of the most useful, yet most elusive, concepts in biology. The equivalent in German, bauplan

Brain Size Evolution

Brain Size Evolution   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
3,151 words
Illustration(s):
2

The evolution of brain size in humans is best understood by referring to the neurological data and evolutionary histories of

C. Elegans

C. Elegans   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
1,413 words
Illustration(s):
1

The free-living nematode Caenorhabditis elegans is an important model system for studying the principles of development and pattern formation and,

Chromosomes

Chromosomes   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
2,552 words
Illustration(s):
3

Chromosomes are the physical structures in which genetic material is stored within a cell and is passed between generations. Although

Classification

Classification   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
3,205 words
Illustration(s):
2

Biological classification is the process of organizing knowledge about the natural world by arranging organisms into groups; these groups are

Clonal Structure

Clonal Structure   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
5,169 words
Illustration(s):
1

This entry comprises three articles: The first

Coalescent Theory and Modeling

Coalescent Theory and Modeling   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
3,974 words
Illustration(s):
11

The coalescent is a probability model for the tree underlying a sample of homologous DNA sequences drawn from a population.

Comparative Method

Comparative Method   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
4,461 words
Illustration(s):
4

The comparative method is one of evolutionary biology's most enduring approaches to testing hypotheses of adaptation. Evolutionary biologists use it

Consciousness

Consciousness   Reference library

Encyclopedia of Evolution

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Life Sciences, Social sciences, Anthropology
Length:
3,463 words
Illustration(s):
1

There is no consensus on the correct concept of consciousness, or even whether it is unitary construct. Hence, a discussion

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