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
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
Radiation biophysics
Radiation biophysics The study of the effects of radiation on cells, tissues, biomolecules, and living... Read More
Irradiation
Irradiation treatment by ionising radiation, such as x-rays or radioactive sources such as radioactive iodine seeds. See:... Read More
Genetics – Lesson Outline & Worksheets
Topics Modules Quizzes/Worksheets DescriptionIntroduction to GeneticsGenetics - Definition:... Read More
Visible light
Definition noun The electromagnetic radiation with wavelengths between 400 nm and 750 nm and can produce a visual... 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
Electromagnetic spectrum
Definition noun The spectrum of all types of electromagnetic radiation Supplement The electromagnetic spectrum includes... 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
Bolus injection
A bolus injection is the act of administering a dose of medication or substance directly into the bloodstream by injection.... Read More
Silent mutation
A mutation is a change in the nucleotide sequence of a gene or a chromosome. When there is only one nucleotide involved, it... Read More
Divergent evolution
Divergent Evolution Definition Divergent evolution refers to the process by which interbreeding species diverged into two... Read More
Denaturation
Denaturation Definition In biochemistry, denaturation is defined as a process in which a molecular structure deviates from... Read More
Convergent evolution
Convergent evolution definition What is convergent evolution? Convergent evolution is a concept in evolutionary biology... Read More
Contamination
Contamination Definition Contamination, sometimes interchanged with pollution, is the existence of live things or... Read More
Integumentary system
Integumentary System Definition The integumentary system is the outermost layer of the body. The animal body, in... Read More
Synergistic effect
Synergistic Effects Definition In biology, synergistic effects are the effects when chemical substances or biological... 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
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
Reactive oxygen species
Definition noun Chemically reactive molecules and ions of oxygen with an unpaired electron Supplement Reactive oxygen... 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
Absorption Spectrum
The spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain... Read More
Photolysis
Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More