Search Results for: phrase
Survival of the fittest
When we talk about evolutionary processes, the usage of the phrase "Survival of the fittest" has been very common in... Read More
Darwin and Natural Selection
Reviewed by: Mary Anne Clark, Ph.D. In the 19th century, a man called Charles Darwin, a biologist from England,... Read More
Darwinian fitness
Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More
Sexual selection
What is Sexual Selection? The definition of sexual selection is very interesting in biological terms. The sexual selection... Read More
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
Thanatosis – Faking Death To Escape Doom
Thanatosis -- pretending to be dead -- is one of the best strategies that certain wild animals came up with in order to... Read More
Great Oxygenation Event
Great Oxygenation Event Definition The Great Oxygenation Event is defined as the surge of dioxygen (O2) levels in the... Read More
Monophyletic
Definition adjective Of, pertaining to, about, or describing that which descended from a single ancestral... Read More
Microscopic section
microscopic section --> section 1. The act of cutting, or separation by cutting; as, the section of bodies. 2. A part... Read More
Genomic dna
Genomic dna (Science: molecular biology) The dna which is found in the organisms genome and is passed on to offspring as... Read More
Residual volume
Residual volume is a term that is most often seen in lung physiology where it is defined as the amount of air remaining in... Read More
Growth rate
Growth rate (Science: biology, cell culture, Ecology) The rate, or speed, at which the number of organisms in a population... Read More
Respiration
Definition noun, plural: respirations Any of the various analogous processes by which there is an exchange of... Read More
Descriptive
Descriptive Tending to describe; having the quality of representing; containing description; as, a descriptive figure; a... Read More
Physical fitness
Definition noun A general state of well-being and good health in which performance is optimal, i.e. effectively and... Read More
Genetic Mutations
Reviewed by: Mary Anne Clark, Ph.D. Genetic Mutations Genetic mutations are inherited variations in an... Read More
Amphibians & Early Reptiles
Amphibia Definition (Science: zoology) Amphibia is one of the classes of vertebrates. The amphibia are distinguished by... Read More
The Dinosaurs
Everyone has heard about the dinosaurs. No doubt one of the reasons why is because of their size, another being the fact... Read More
Homeostasis of Organism Water Regulation
Osmoregulation Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the... Read More