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Search Results for: origin

A New Theory on the Origin of Animal Multicellularity

Multicellular life, purportedly, started around 600 million years ago. From single-celled, certain organisms eventually... 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

Origin

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

Originals

original 1. Pertaining to the origin or beginning; preceding all others; first in order; primitive; primary; pristine; as,... Read More

Recent single-origin hypothesis

Definition noun The hypothesis that modern humans came from or evolved from a single origin (i.e. in Africa) and then these... Read More

The FIFTH MIRACLE: The Search for the Origin and Meaning of Life

 The FIFTH MIRACLE: The Search for the Origin and Meaning of Life    ... 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

Analogous

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

Replication origin

Replication origin A unique dNA sequence of a replicon at which dNA replication is initiated and proceeds bidirectionally or... Read More

Origins of Life : On Earth and in the Cosmos (2nd Ed)

 Origins of Life : On Earth and in the Cosmos   ... Read More

Analogous structures

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

Sound

sound The air bladder of a fish; as, cod sounds are an esteemed article of food. Origin: AS. Sund a swimming, akin to E.... Read More

Living things

Living Things Definition A living things pertains to any organism or a life form that possesses or shows the... Read More

Prokaryotic Ancestor of Mitochondria: on the hunt

The alphaproteobacteria have been widely cited as the closest relative-- and possibly the prokaryotic ancestor -- of the... Read More

Native

native 1. One who, or that which, is born in a place or country referred to; a denizen by birth; an animal, a fruit, or... Read More

Lime

Lime 1. To smear with a viscous substance, as birdlime. These twigs, in time, will come to be limed. (L'Estrange) 2. To... Read More

Abiogenesis

Definition noun plural: abiogeneses a·bi·o·gen·e·sis, eɪbaɪəʊˈdʒɛnəsɪs (1) The theory postulating that... Read More

Plane

Plane 1. To make smooth; to level; to pare off the inequalities of the surface of, as of a board or other piece of wood, by... Read More

Pile

pile 1. To lay or throw into a pile or heap; to heap up; to collect into a mass; to accumulate; to amass; often with up; as,... Read More

Gall

Gall 1. To fret and wear away by friction; to hurt or break the skin of by rubbing; to chafe; to injure the surface of by... Read More

Divergent evolution

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

Ton

ton The prevailing fashion or mode; vogue; as, things of ton. If our people of ton are selfish, at any rate they show they... Read More

Replacement model

Definition noun A theory proposed by Christopher Stringer and Peter Andrews suggesting that the place of origin of modern... Read More

Bush

Bush 1. To set bushes for; to support with bushes; as, to bush peas. 2. To use a bush harrow on (land), for covering seeds... Read More

Derivation

Derivation 1. A leading or drawing off of water from a stream or source. 2. The act of receiving anything from a source; the... Read More

Barb

Barb 1. To shave or dress the beard of. 2. To clip; to mow. 3. To furnish with barbs, or with that which will hold or hurt... Read More

Germ

Germ 1. (Science: biology) That which is to develop a new individual; as, the germ of a foetus, of a plant or flower, and... Read More

Wood

wood mad; insane; possessed; rabid; furious; frantic. Alternative forms: wode Our hoste gan to swear as if he were wood.... Read More

Roe

roe (Science: zoology) A roebuck. See Roebuck. The female of any species of deer. Origin: OE. Ro, AS. Rah; akin to D. Ree,... Read More

Analogy

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

Natural selection

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

Gills

Gill a woody glen; a narrow valley containing a stream. Origin: Icel. Gil. 1. (Science: anatomy) An organ for aquatic... Read More

Convergent evolution

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

Track

track To follow the tracks or traces of; to pursue by following the marks of the feet; to trace; to trail; as, to track a... Read More

Pills

pill The peel or skin. Some be covered over with crusts, or hard pills, as the locusts. Origin: Cf. Peel skin, or... Read More

Cytogenetics

Definition noun The branch of genetics that is concerned primarily in cellular components, especially chromosomes, in... Read More

Scar

scar To mark with a scar or scars. Yet I'll not shed her blood; Nor scar that whiter skin of hers than snow. (Shak) His... Read More

Traffic

traffic 1. Commerce, either by barter or by buying and selling; interchange of goods and commodities; trade. A merchant of... Read More