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  2. Community (ecology) - Wikipedia

    en.wikipedia.org/wiki/Community_(ecology)

    A bear with a salmon. Interspecific interactions such as predation are a key aspect of community ecology.. In ecology, a community is a group or association of populations of two or more different species occupying the same geographical area at the same time, also known as a biocoenosis, biotic community, biological community, ecological community, or life assemblage.

  3. List of unsolved problems in biology - Wikipedia

    en.wikipedia.org/wiki/List_of_unsolved_problems...

    Unsolved problems relating to the structure and function of non-human organs, processes and biomolecules include: Korarchaeota (archaea). The metabolic processes of this phylum of archaea are so far unclear.

  4. Habitat fragmentation - Wikipedia

    en.wikipedia.org/wiki/Habitat_fragmentation

    One solution to the problem of habitat fragmentation is to link the fragments by preserving or planting corridors of native vegetation. In some cases, a bridge or underpass may be enough to join two fragments. [28] This has the potential to mitigate the problem of isolation but not the loss of interior habitat.

  5. List of environmental issues - Wikipedia

    en.wikipedia.org/wiki/List_of_environmental_issues

    Synthetic biology — Synthetic DNA • Artificially Expanded Genetic Information System • Hachimoji DNA; Genetically modified food — Genetically modified crops • Genetically modified livestock • Genetically modified food controversies; Pollution — Nonpoint source pollution • Point source pollution

  6. Biological interaction - Wikipedia

    en.wikipedia.org/wiki/Biological_interaction

    The black walnut secretes a chemical from its roots that harms neighboring plants, an example of competitive antagonism.. In ecology, a biological interaction is the effect that a pair of organisms living together in a community have on each other.

  7. Biological integrity - Wikipedia

    en.wikipedia.org/wiki/Biological_integrity

    The concept of biological integrity first appeared in the 1972 amendments to the U.S. Federal Water Pollution Control Act, also known as the Clean Water Act. [4] The United States Environmental Protection Agency (EPA) had used the term as a way to gauge the standards to which water should be maintained, but the vocabulary instigated years of debate about the implications of not only the ...

  8. Lists of unsolved problems - Wikipedia

    en.wikipedia.org/wiki/Lists_of_unsolved_problems

    List of unsolved problems may refer to several notable conjectures or open problems in various academic fields: Natural sciences, engineering and medicine [ edit ]

  9. Category:Unsolved problems in biology - Wikipedia

    en.wikipedia.org/wiki/Category:Unsolved_problems...

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