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  2. Maslow's hierarchy of needs - Wikipedia

    en.wikipedia.org/wiki/Maslow's_hierarchy_of_needs

    Maslow's hierarchy of needs is often portrayed in the shape of a pyramid, with the largest, most fundamental needs at the bottom, and the need for self-actualization and transcendence at the top. However, Maslow himself never created a pyramid to represent the hierarchy of needs. [20] [3] [21] Maslow's hierarchy of needs represented as a ...

  3. Lewin's equation - Wikipedia

    en.wikipedia.org/wiki/Lewin's_equation

    Field theory is centered around the idea that a person's life space determines their behavior. [2] Thus, the equation was also expressed as B = f ( L ), where L is the life space. [ 4 ] In Lewin's book, he first presents the equation as B = f ( S ), where behavior is a function of the whole situation ( S ). [ 5 ]

  4. Malthusian growth model - Wikipedia

    en.wikipedia.org/wiki/Malthusian_growth_model

    The model can also be written in the form of a differential equation: = with initial condition: P(0)= P 0. This model is often referred to as the exponential law. [5] It is widely regarded in the field of population ecology as the first principle of population dynamics, [6] with Malthus as the founder.

  5. Mathematical and theoretical biology - Wikipedia

    en.wikipedia.org/wiki/Mathematical_and...

    The solution of the equations, by either analytical or numerical means, describes how the biological system behaves either over time or at equilibrium. There are many different types of equations and the type of behavior that can occur is dependent on both the model and the equations used. The model often makes assumptions about the system.

  6. Life - Wikipedia

    en.wikipedia.org/wiki/Life

    It can also be termed as the zone of life on Earth, a closed system (apart from solar and cosmic radiation and heat from the interior of the Earth), and largely self-regulating. [95] Organisms exist in every part of the biosphere, including soil , hot springs , inside rocks at least 19 km (12 mi) deep underground, the deepest parts of the ocean ...

  7. Biological organisation - Wikipedia

    en.wikipedia.org/wiki/Biological_organisation

    Each level in the hierarchy represents an increase in organisational complexity, with each "object" being primarily composed of the previous level's basic unit. [2] The basic principle behind the organisation is the concept of emergence—the properties and functions found at a hierarchical level are not present and irrelevant at the lower levels.

  8. AOL Mail for Verizon Customers - AOL Help

    help.aol.com/products/aol-mail-verizon

    AOL Mail welcomes Verizon customers to our safe and delightful email experience!

  9. Basic needs - Wikipedia

    en.wikipedia.org/wiki/Basic_needs

    The "basic needs" approach was introduced by the International Labour Organization's World Employment Conference in 1976. [1] [2] "Perhaps the high point of the WEP was the World Employment Conference of 1976, which proposed the satisfaction of basic human needs as the overriding objective of national and international development policy. The ...