Search Results for: radiation
Electromagnetic radiation
Definition noun The radiation that consists of associated, interacting electric and magnetic field waves traveling at the... Read More
Ultraviolet radiation
Definition noun A form of electromagnetic radiation emitting ultraviolet rays Supplement The electromagnetic radiation is... Read More
Adaptive Radiation
Reviewed by: Mary Anne Clark, Ph.D. When Charles Darwin was in the Galapagos Islands, one of the first things he... Read More
Adaptive radiation
Definition noun The diversification of several new species from a recent ancestral source, each adapted to utilize or... Read More
Irradiation
Irradiation treatment by ionising radiation, such as x-rays or radioactive sources such as radioactive iodine seeds. See:... Read More
Radiation biophysics
Radiation biophysics The study of the effects of radiation on cells, tissues, biomolecules, and living... Read More
Electromagnetic spectrum
Definition noun The spectrum of all types of electromagnetic radiation Supplement The electromagnetic spectrum includes... Read More
Genetics – Lesson Outline & Worksheets
Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics - Definition:... Read More
Pioneer species
You might have come across news of some barren lands turning into luscious grasslands or forests after decades? Or you might... Read More
Visible light
Definition noun The electromagnetic radiation with wavelengths between 400 nm and 750 nm and can produce a visual... Read More
Ultraviolet ray
Definition noun, plural: ultraviolet rays A ray characterized generally by a wavelength between 10 nm to about 400... Read More
Allopatric speciation
We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More
Divergent evolution
Divergent Evolution Definition Divergent evolution refers to the process by which interbreeding species diverged into two... Read More
Convergent evolution
Convergent evolution definition What is convergent evolution? Convergent evolution is a concept in evolutionary biology... Read More
Denaturation
Denaturation Definition In biochemistry, denaturation is defined as a process in which a molecular structure deviates from... Read More
The Gene Pool and Population Genetics
Reviewed by: Mary Anne Clark, Ph.D. The previous tutorial is about adaptive radiation. Adaptive radiation is... Read More
Physical Development in Humans
The Newly Born Child Depending on the nutrients available to the child within pregnancy and the genetic makeup of the... Read More
Regulation of Organic Metabolism, Growth and Energy Balance
Organic Metabolism Events of Absorptive and Post-absorptive States. The absorptive state is the period during which... Read More
Genetics and Evolution
Tutorials in Genetics and Evolution immerse on the molecular aspects and the works of nature that led to what every living... Read More
Synergistic effect
Synergistic Effects Definition In biology, synergistic effects are the effects when chemical substances or biological... Read More
Absorption Spectrum
The spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain... Read More
Disinfectant
Disinfectant An agent that disinfects, applied particularly to agents used on inanimate objects. Compare: antiseptic. An... Read More
Photolysis
Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More
Adaptive zone
Definition noun, plural: adaptive zones An ecological opportunity for the development of adaptive radiation, enabling a... Read More
Reactive oxygen species
Definition noun Chemically reactive molecules and ions of oxygen with an unpaired electron Supplement Reactive oxygen... Read More
Primary productivity
Planet Earth is home to different types of life forms ranging from microscopic bacteria to giant whales and elephants. To... Read More
Radiodensity
Definition noun The state or quality of being radiodense, i.e. dense to X-rays or other radiation Supplement In radiography,... Read More
Examples of Natural Selection
Reviewed by: Mary Anne Clark, Ph.D. Darwin's Finches Darwin's finches are an excellent example of the way in... Read More
Light-dependent reaction
Many organisms, such as green plants, convert light energy into chemical energy through the mechanism of photosynthesis. In... Read More