Search Results for: evolution
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
Parallel evolution
Definition noun An evolutionary process by which two or more separate species in the same environment develop similar... Read More
Adaptive evolution
Definition noun A kind of evolution that involves evolutionary changes that are adaptive to a particular... Read More
Evolutionary biology
Definition noun The branch of biology concerned with the evolution of organisms, particularly the origin and descent of... Read More
Neutral theory of molecular evolution
Definition noun A theory stating that evolutionary changes particularly at the molecular level arise from genetic drift of... Read More
Muscles of the Apes – a thwack on human muscle evolution
Summary: A recent finding suggests that apes do have the muscles for bipedalism, vocal communication, and facial... Read More
Natural selection
Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More
Blindness – Evolutionary regression? Maybe not!
The recent Netflix's hit flick, Bird Box, surely startled the viewers with the thrilling scenarios revolving around the... Read More
The role of extinction in evolution
Colloquium Paper Ths paper was presented at a colloquium entled "Tempo and Mode in Evolution" organized by Walter... Read More
Saltatory evolution
saltatory evolution The theory that evolution of a new species from an older one may occur as a large jump, such as a major... 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
Genetics – Lesson Outline & Worksheets
Topics Modules Quizzes/Worksheets DescriptionIntroduction to GeneticsGenetics - Definition:... Read More
The Evolution of Cell Organelles
The previous tutorial page noted the emergence of protists, organisms that possessed a distinct cell nucleus and contained... Read More
Microevolution
Definition noun, plural: microevolutions Evolution involving small-scale changes, i.e. within the species, occurring over a... Read More
Macroevolution
Definition noun, plural: macroevolutions Evolution happening on a large scale, e.g. at or above the level of a species, over... Read More
Neutral mutation
Neutral Mutation Definition What is a neutral mutation? Neutral mutations are the alterations in the DNA that are... Read More
Photosynthesis
Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More
Sexual selection
What is Sexual Selection? The definition of sexual selection is very interesting in biological terms. The sexual selection... Read More
![Biology n., [baɪˈɑlədʒi] Definition: scientific study of life](https://www.biologyonline.com/wp-content/uploads/2021/12/biology-definition-and-branches-of-biology-300x168.jpg)
Analogous structures
Analogous Structures Definition In evolutionary biology, analogous structures are biological structures having similar or... 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
Evolution of Life – Ancient Earth
Continuing from the previous tutorial investigating the origins of life on Earth....Life began to flourish, and the... Read More
On Mate Selection Evolution: Are intelligent males more attractive?
A study published in Science on January 11 seems to be the first to lay empirical evidence that concur with Charles Darwin's... Read More
Y chromosome
Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More
Origins of Life : On Earth and in the Cosmos (2nd Ed)
Origins of Life : On Earth and in the Cosmos ... Read More
A Look Into Natural Selection and its Mechanisms
Charles Darwin is credited with outlining the fundamentals of evolution. He was a smart and eager pupil and protégé, and... Read More
Darwinian fitness
Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More
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
