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The Psychobiology of Hysteria

Editorial Hysteria is often regarded as the archetypal psychodynamic illness. Freud carried out much of his early work on... Read More

Ecosystem diversity

Ecosystem Diversity Definition What is ecosystem diversity? Ecosystem diversity deals with the study of different... Read More

Between Necessity and Probability: Searching for the Definition and Origin of Life (Advances in Astrobiology and Biogeophysics)

Between Necessity and Probability: Searching for the Definition and Origin of Life (Advances in Astrobiology and... Read More

Living things

Living Things Definition A living thing pertains to any organism or a life form that possesses or shows the characteristics... Read More

Abscisic acid

Abscisic acid (Science: biochemistry) a lipid hormone that inhibits cell growth in plants, it is associated with fruit drop,... Read More

Hyperosmotic

Hyperosmotic Definition What is hyperosmotic? The word hyperosmotic is derived from two Greek words: 'hyper', meaning... Read More

Asexual reproduction

Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a type of reproduction that does not... Read More

Carrying capacity

Carrying Capacity Definition What is carrying capacity? In biology and environmental science, the carrying capacity of a... Read More

Polymorphism

Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More

Anaerobic respiration

Anaerobic Respiration Definition What is anaerobic respiration? Anaerobic (cellular) respiration is a respiratory process... Read More

Genetic diversity

Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... Read More

Realized niche

What is a niche? A niche can be defined as the means by which a species or an individual interacts with its environment. In... Read More

Chemiosmotic coupling hypothesis

Definition noun A theory postulated by the biochemist Peter Mitchell in 1961 to describe ATP synthesis by way of a proton... Read More

Non-sustainability

Non-Sustainability Definition Non-sustainability is the state in which human consumption or activities exceed the ability... Read More

Simpsons paradox

Definition noun It is used in statistics to confirm data resulting from the combination of unequal size of group that has... Read More

Chemiosmotic hypothesis

Definition noun A theory postulated by the biochemist Peter Mitchell in 1961 to describe ATP synthesis by way of a proton... Read More

Senescence

Senescence Definition Senescence is defined as biological aging. In cell biology, it refers to the cell wherein it is no... Read More

Cytogenetics

Definition noun The branch of genetics that is concerned primarily in cellular components, especially chromosomes, in... Read More

Chronobiology

Chronobiology Definition Chronobiology is a branch of biology that studies time-related phenomena (e.g., biological... Read More

Animal Water Regulation

Homeostatic control, a set environment, and how evolution and natural selection drives a species to adapt to its environment... Read More

The Conscious & Unconscious Nervous System

The Central Nervous System is arguably the most important part of the body because of the way it controls the biological... Read More

Neurology of Illusions

As mentioned in the previous tutorial, Human Perception, illusions can be caused by mental disorders or misreading of the... Read More

Physiological Homeostasis

In animals such as ourselves, the internal environment of our bodies must have certain conditions within tolerable limits to... Read More

Effect of Chemicals on Growth & Development in Organisms

Plants Plants require a large number of elements to function properly, mainly carbon, oxygen, and hydrogen, essentially... Read More

Biological Cell Defense

Organisms must find a means of defense against antigens such a viruses described on the previous tutorial. If this was not... Read More

Cladosporium species in indoor environments

Cladosporium is a fungus that mostly found in indoor and outdoor molds. It is a species that formed in simple or branching... Read More

The biology of how the brain forgets

Our brain tends to forget things that we wish we would always remember. And yet, it cannot forget certain things we wish... Read More

Chemiosmotic theory

Definition noun A theory postulated by the biochemist Peter Mitchell in 1961 to describe ATP synthesis by way of a proton... Read More

Herbivore

Herbivore Definition A herbivore is the primary consumer of the food chain that usually occupies the second trophic level... Read More

Actions of Caffeine in the Brain with Special Reference to Factors That Contribute to Its Widespread Use

IV. Actions of Caffeine on Brain Functions and Behavior Having discussed the molecular and neuronal actions of caffeine,... Read More

Equilibrium

Equilibrium Definition In Biology Equilibrium refers to the state of balance and stability. In biology, equilibrium is... Read More

Substance

Substance Definition What is a substance? The word substance finds varied usages in different science fields. In general... Read More

Plant

Plant Definition (botany) Any of the eukaryotic organisms of the biological kingdom Plantae, characterized by being... Read More

Bears

Bears Definition Bears are mammals belonging to the family Ursidae. They typically have massive bodies, coarse heavy fur,... Read More

Process

Process Definition What is a process? In biology, a process (plural: processes) means any of the various biological... Read More

Unconditioned stimulus

An unconditioned stimulus inherently triggers an automatic response, not reliant on deliberate prior learning. In contrast... Read More

Humors

Humor 1. Moisture, especially, the moisture or fluid of animal bodies, as the chyle, lymph, etc.; as, the humors of the eye,... Read More

Embryology

Embryology Definition Embryology is a branch of biology that deals with the topics concerning gamete formation... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Absorption

Absorption can be defined as the process of assimilating substances across the intestinal epithelial cells or the tissues... Read More