103 results found

Search Results for: evolutionary biology

Evolutionary biology

Definition noun The branch of biology concerned with the evolution of organisms, particularly the origin and descent of... Read More

Biology

Biology Definition Biology is the branch of science that primarily deals with the structure, function, growth, evolution,... Read More

Phylogeny

Phylogeny refers to the evolutionary history of the development of a species or of a taxonomic group of organisms. The... Read More

Analogous

In evolutionary biology, the meaning of analogous is “having similarities in functions but different evolutionary... Read More

Evolution

Reviewed by: Mary Anne Clark, PhD Evolution Definition Evolution (evo‧lu‧tion, ˈɛvəluːʃ(ə)n) is... Read More

Biology: Concepts & Connections with Student CD-ROM (5th Edition)

Biology: Concepts & Connections with Student CD-ROM (5th Edition)   ... Read More

Branches of biology

Branches of Biology Biology, the scientific study of life, includes several relevant branches. Below is a list of major... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Analogous structures

In evolutionary biology, analogous structures are defined as biological structures having similar or corresponding functions... Read More

Homogenous

What is homogenous? What does homogenous mean? The word homogenous has been derived from two Greek words that are... Read More

Symbiosis

Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More

Synergistic effect

Synergistic Effects Definition Synergistic effects (biology definition): the effects when chemical substances or biological... Read More

Convergent evolution

Convergent evolution definition What is convergent evolution? Convergent evolution is a concept in evolutionary biology... Read More

Genetic drift

Genetic Drift Definition What is genetic drift in simple terms? The simple definition of genetic drift ( also referred to... Read More

Convergence

Definition noun (evolutionary biology) The evolutionary process in which the organisms evolve bodily parts that are... Read More

Classification system

Classification Systems Definition In life, many things are classified, that is, to put into categories or groups based on... Read More

Homologous structures

Homologous Structures Definition What are homologous structures? Before we define that, let us first identify the meaning... Read More

Endosymbiotic theory

Endosymbiotic theory definition noun (evolutionary biology) A theory suggesting that the organelles such as mitochondria... Read More

Systematics

Definition noun The branch of biology that deals with the (study of) classification systems and nomenclature of... Read More

Divergence

Definition noun (evolutionary biology) The evolutionary process wherein a population of species diverge into two or more... Read More

Homology

Definition noun, plural: homologies (1) A degree of similarity, as in position or structure, and that may indicate a common... Read More

Analogy

Definition noun, plural: analogies (evolutionary biology) Structural or behavioural similarity in terms of functions between... Read More

Taxonomy

Taxonomy Definition The term "taxonomy" was developed from two Greek words, "taxis," meaning arrangement, and "nomia,"... Read More

Physiological adaptation

If we look over evolutionary history, we find that it’s neither the most genius and intelligent nor the strongest and the... Read More

Phylogenetics

Definition noun (1) The study of phylogeny (2) The study of evolutionary relatedness among various groups of organisms... Read More

Polymorphism

Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More

Chordata

Chordata Definition What is Chordata? Chordata is the phylum of the animal kingdom that includes a large number of animal... Read More

Apomixis

Apomixis Definition Just like any other organism, the process of reproduction is pivotal to the life cycle of plants. There... Read More

Decomposer

Decomposer Definition The organisms that carry out the process of decay or break down of the dead organism are known as... Read More

Divergent evolution

Divergent evolution definition Divergent evolution refers to the process by which interbreeding species diverged into two... Read More

Imprinting

What does imprinting mean? Have you watched the TV cartoon show “Tom and Jerry” with an episode of a duck and its... Read More

Degenerate

Degenerate means to become worse or less of its kind or former state. In biology, it means an entity performs the same... Read More

Law of Independent Assortment

Law of Independent Assortment Definition The Mendelian inheritance principles are derived from and named after the monk,... Read More

Homoplastic

Definition adjective (1) (evolutionary biology) Of, pertaining to, characteristic of, or exhibiting homoplasy (2) (medicine)... Read More

Theory of Neuroscience

Nezih OKTAR Journal of Neurological Sciences (Turkish) 2006, Volume 23, Number 3, Page(s) 155-158. An Open Access... Read More

Sympatric speciation

Speciation is a process of evolution through which two different existing populations evolve and a distinct species form. It... Read More

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... 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

Eukaryotic cells

Eukaryotic Cells Definition What is a eukaryotic cell? The term “cell” is a common word in biology, anatomy, and... Read More