This is called environmental variation. Humans, dogs and goldfish are examples of species. Different species have different characteristics from each other. For example, dogs have tails and humans ...

The variation within a single species has produced differences as large as those between two separate species. Some critics of the theory of evolution argue that it doesn't convincingly explain ...

Species close speciesA type of organism that is the basic unit of classification. Individuals of different species are not able to interbreed successfully. are extinct if there are no living ...

Natural variation in plants refers to the genetic diversity of a single plant species in the wild. Natural variation is a valuable source of beneficial traits for plant breeding. Photosynthesis of ...

Structural variation refers to large scale structural differences in the genomic DNA that are inherited and polymorphic in a species. They are a result of chromosomal rearrangement – deletion ...

Exploring variation in root traits along topological orders within species is key to understanding functional shifts along root architecture and its anatomical underpinnings. However, no study has ...

Microorganisms—bacteria, viruses and other tiny life forms—may drive biological variation in visible life as much, if not ...

Yet, temporal variation is a pervasive feature of the natural world, and species have evolved to exploit such variation. Species can also generate novel sources of temporal variation, such as the ...

The more a plant species invests in defense, the less potential it has for growth, according to a study. Research made possible by open science provides new insights into plant adaptation and ...