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Pages in Category Biology

Beaver Habitat

The beaver habitat is a typical example of an niche construction. It consists of Dams, usually created by cut trees, a pond and lodges.

Tags: Behavior

Categories: Biology Ecology

Collapsed Anthill

Last summer I observed a bustling ant colony with an impressive anthill. This year at this place I found a hole filled with soft debris. The colony was gone, and ...

Tags: Evolution Society

Categories: Biology Sociology


Ecotype is a specific phenotype of a species that occurs in in a certain environment, ecosystem, only. Usually other species that live in the same ecosystem define the ecotype. As ...

Tags: Ecology System

Categories: Biology

Epigenetic landscape

Epigenetic landscape is a model introduced by Conrad Hal Waddington that tries to explain the development into different directions depending on environmental or epigenetic factors. The model is a 3D ...

Tags: Control EvoDevo Evolution Genetics

Categories: Biology Mathematics

Progress in evolution

Synonyms: Evolutionary progress; Evolution progress

Evolutionary progress describes magnitude and direction of evolution. Progress is measurable by level and pace. There is progress in evolution which is obvious to everyone who compares the simplicity of ...

Tags: Core theory Evolution Theory

Categories: Biology Evolutionary Biology

Genomic Disorders

Genomic Disorder is a term coined by Lupski and Stankiewicz to contrast mere nucleotide substitutions and small size deletions insertions and duplications with large genomic rearrangements that affect a greater ...

Tags: Adaptation DNA

Categories: Biology Evolutionary Biology

Too-big-to-fail Myth

Wikipedia explains the term too-big-to-fail economically only. By that definition the term describes a set of enterprises whose failure may be disastrous to the whole economy, so the state is ...

Tags: Myth Sociology Theory

Categories: Biology Psychology

Niche Construction - Its Frightening Implications

Niche construction is neatly outlined in a book [1]. In its preface the authors claim:
As our investigation proceeded, it appeared the ramifications of niche construction grew to frightening proportions ...

Tags: Evolution Ideology Theory

Categories: Biology Sociology Systems Theory


Patriline is male inheritance. From generation to generation the trait is linked to males only. See also matriline Examples
  • The Y-chromosome in male mammals in inherited in a patriline
  • Some ...

Tags: Behavior Genetics Selection Speciation

Categories: Biology

Too-big-to-survive rule

Synonyms: Rule too-big-to-succeed

The rule states that a fauceir tends to fail if it grows too big. This rule is contrary to the widely held and ideologically enforced too-big-to-fail myth. Examples
  • Physics: Large ...

Tags: Core theory Rules Theory

Categories: Biology Evolutionary Biology Sociology


Speciation is the generation of a new species by evolution. It is generally assumed that speciation is the result of isolation as observed by Darwin and Wallace on separate islands ...

Tags: Biogeology Ecology Speciation Theory

Categories: Biology Evolutionary Biology

Spinster Phenomenon

Spinster phenomenon is a behavior pattern among females that live in social compounds. When males are absent females take over the social roles of males. Rational Such a behavioral pattern ...

Tags: Anthropology Behavior Phenomena Society Sociology

Categories: Biology Sociology

Symsagittifera roscoffensis

Teased by Lynn Margulis' book Symbiotic Planet[1:9], I visited Roscoff this summer to see the the flatworm Symsagittifera roscoffensis, formerly Convoluta roscoffensis and take some photos and videos ...

Tags: Evolution

Categories: Biology


Waterlillies are aquatic plants of the genus Nymphaea that exhibit impressive flowers. Not only because of its beautiful blossom I took this photo but it also graphically demonstrates its changing ...

Tags: Behavior Plant

Categories: Biology


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