120 results found

Search Results for: existence

Cryptozoology – The evidence of creatures whose existence is uncertain

The evidence of creatures whose existence is uncertain is studied by cryptozoology, a science researching presumable proof... 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

Angiosperm

Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More

Atom

In the enchanting tapestry of life, the smallest of heroes and a celestial protagonist emerges—'the atom'. With grace and... Read More

Pleiotropy

Pleiotropy Definition When one single gene starts affecting multiple traits of living organisms, this phenomenon is known... Read More

Microbe

Microbe Definition What is a microbe? How do we define microbes?  Microbes refer to microorganisms that cannot be seen by... Read More

In situ

When we talk about an experiment, human intervention, a protocol, or its step or any x, y, z call-of-action, it can be... Read More

Aerotolerant

Aerotolerant Definition The term "aerotolerant" pertains to an organism that does not require oxygen for growth but can... Read More

Realized niche

What is a niche? A niche can be defined as the means by which a species or an individual interacts with its environment. In... Read More

SENI Biometric Analysis on the extinct Scincidae species: Macroscincus coctei (underlined)

Brian L. Schnirel Leeway Corucia Research Center (LCRC) Courtesy: Polyphemos (2004)   Introduction: It has been... Read More

Ahool

The ahool is a flying cryptid, supposedly a giant bat, or by other accounts, a living pterosaur or flying primate. Such a... Read More

Process

Process Definition What is a process? In biology, a process (plural: processes) means any of the various biological... 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

Axon

What Is Axon? An axon is a thin, long fiber of a nerve cell (or neuron). It transmits electrical impulses from the cell... Read More

Mutualistic symbiosis

Mutualistic Symbiosis Definition In order to understand what a mutualistic symbiotic relationship means, we will break down... Read More

Epistasis

Epistasis Definition What is epistasis in genetics? How does epistasis occur? The epistasis definition, in biology, refers... Read More

Ecosystem diversity

Ecosystem Diversity Definition What is ecosystem diversity? Ecosystem diversity deals with the study of different... 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

Biuret test

In this article we will answer the following three questions: What is a Biuret Test?  What does biuret test for? What is... 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

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

Between Necessity and Probability: Searching for the Definition and Origin of Life (Advances in Astrobiology and Biogeophysics)

Between Necessity and Probability: Searching for the Definition and Origin of Life (Advances in Astrobiology and... Read More

Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads

Petrified Wood : The World of Fossilized Wood, Cones, Ferns, and Cycads ... Read More

Nervous System

    THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More

Anatolian leopard

The Anatolian leopard (Panthera pardus tulliana) was once described as a distinct subspecies of leopard native to Anatolia... Read More

Ayia Napa sea monster

The Ayia Napa Sea Monster is a cryptid, claimed to inhabit the coast off of Ayia Napa in Cyprus, a popular tourist resort... Read More

System

A system pertains to interdependent or interrelated objects comprising and functioning as a whole. In biology, it may refer... Read More

Nature

nature 1. The existing system of things; the world of matter, or of matter and mind; the creation; the universe. But looks... Read More

Life

Life Definition Life is a characteristic of a living organism that distinguishes the latter from a dead organism or a... Read More

Food

Definition noun (1) A form of nourishing substance that is consumed (2) A substance that provides nourishment (3) A source... Read More

Natural

natural 1. Fixed or determined by nature; pertaining to the constitution of a thing; belonging to native character;... Read More

Origin

Definition noun, plural: origins (1) The birth, existence, or beginning; starting point. (2) The cause; that which causes... Read More

Taste

taste 1. To try by the touch; to handle; as, to taste a bow. Taste it well and stone thou shalt it find. (Chaucer) 2. To try... Read More

Adaptation

Adaptation Definition In biology and ecology, adaptation refers to the process of adjusting behavior, physiology, or... Read More

Limitation

1. The act of limiting; the state or condition of being limited; as, the limitation of his authority was approved by the... Read More

Vestibule

Languages are intriguing subjects that you can spend your entire life with but never get enough of… As we begin the... Read More

Fate

Fate 1. A fixed decree by which the order of things is prescribed; the immutable law of the universe; inevitable necessity;... Read More

Natural selection

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

Kingdom

Kingdom is a taxonomic rank used in biological classification systems to simplify the understanding of the biological world.... Read More

Development

1. The act of developing or disclosing that which is unknown; a gradual unfolding process by which anything is developed, as... Read More