Definition
noun
Formation of new species due to vicariance.
Supplement
New species are formed from the division of original population into two or more populations (usually of similar size) that have been separated by a geographic barrier, such as volcano, earthquake, etc.
Word origin: From vicariant, from Latin vicārius, vicarious, “substitute, deputy” (adj. and n.), from vicis “turn, change, exchange, substitution.
See also: vicariance, speciation.
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..
This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..
This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..